216227653556700 has 144 divisors (see below), whose sum is σ = 640934386073856. Its totient is φ = 56249370508800.

The previous prime is 216227653556671. The next prime is 216227653556723. The reversal of 216227653556700 is 7655356722612.

216227653556700 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×216227653556700² (a number of 29 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 139238719 + ... + 140783081.

It is an arithmetic number, because the mean of its divisors is an integer number (4450933236624).

Almost surely, 2^{216227653556700} is an apocalyptic number.

216227653556700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 216227653556700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (320467193036928).

216227653556700 is an abundant number, since it is smaller than the sum of its proper divisors (424706732517156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

216227653556700 is a wasteful number, since it uses less digits than its factorization.

216227653556700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555804 (or 1555797 counting only the distinct ones).

The product of its (nonzero) digits is 31752000, while the sum is 57.

The spelling of 216227653556700 in words is "two hundred sixteen trillion, two hundred twenty-seven billion, six hundred fifty-three million, five hundred fifty-six thousand, seven hundred".