207904589216 has 12 divisors (see below), whose sum is σ = 409312160082. Its totient is φ = 103952294592.

The previous prime is 207904589213. The next prime is 207904589239. The reversal of 207904589216 is 612985409702.

It can be written as a sum of positive squares in only one way, i.e., 187852896400 + 20051692816 = 433420^2 + 141604^2 .

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (207904589213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3248509175 + ... + 3248509238.

Almost surely, 2^207904589216 is an apocalyptic number.

It is an amenable number.

207904589216 is a deficient number, since it is larger than the sum of its proper divisors (201407570866).

207904589216 is an equidigital number, since it uses as much as digits as its factorization.

207904589216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6497018423 (or 6497018415 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 53.

The spelling of 207904589216 in words is "two hundred seven billion, nine hundred four million, five hundred eighty-nine thousand, two hundred sixteen".