16620216151158 has 80 divisors (see below), whose sum is σ = 40157818248240. Its totient is φ = 5120477337600.

The previous prime is 16620216151109. The next prime is 16620216151219. The reversal of 16620216151158 is 85115161202661.

16620216151158 is a `hidden beast` number, since 1 + 6 + 6 + 2 + 0 + 21 + 61 + 511 + 58 = 666.

It is a super-2 number, since 2×16620216151158² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 65723563 + ... + 65975958.

It is an arithmetic number, because the mean of its divisors is an integer number (501972728103).

Almost surely, 2^{16620216151158} is an apocalyptic number.

16620216151158 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

16620216151158 is an abundant number, since it is smaller than the sum of its proper divisors (23537602097082).

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

16620216151158 is a wasteful number, since it uses less digits than its factorization.

16620216151158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131699595 (or 131699586 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 45.

The spelling of 16620216151158 in words is "sixteen trillion, six hundred twenty billion, two hundred sixteen million, one hundred fifty-one thousand, one hundred fifty-eight".