216750721207000 has 32 divisors (see below), whose sum is σ = 507196687626720. Its totient is φ = 86700288482400.

The previous prime is 216750721206991. The next prime is 216750721207043. The reversal of 216750721207000 is 702127057612.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108375359604 + ... + 108375361603.

It is an arithmetic number, because the mean of its divisors is an integer number (15849896488335).

Almost surely, 2^{216750721207000} is an apocalyptic number.

216750721207000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

216750721207000 is an abundant number, since it is smaller than the sum of its proper divisors (290445966419720).

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

216750721207000 is a wasteful number, since it uses less digits than its factorization.

216750721207000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216750721228 (or 216750721214 counting only the distinct ones).

The product of its (nonzero) digits is 82320, while the sum is 40.

The spelling of 216750721207000 in words is "two hundred sixteen trillion, seven hundred fifty billion, seven hundred twenty-one million, two hundred seven thousand".