16000761990272 has 16 divisors (see below), whose sum is σ = 31876518027750. Its totient is φ = 8000380995072.

The previous prime is 16000761990221. The next prime is 16000761990277. The reversal of 16000761990272 is 27209916700061.

It can be written as a sum of positive squares in only one way, i.e., 13977608504896 + 2023153485376 = 3738664^2 + 1422376^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a self number, because there is not a number n which added to its sum of digits gives 16000761990272.

It is not an unprimeable number, because it can be changed into a prime (16000761990277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62502976397 + ... + 62502976652.

Almost surely, 2^{16000761990272} is an apocalyptic number.

It is an amenable number.

16000761990272 is a deficient number, since it is larger than the sum of its proper divisors (15875756037478).

16000761990272 is an equidigital number, since it uses as much as digits as its factorization.

16000761990272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125005953063 (or 125005953051 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 50.

The spelling of 16000761990272 in words is "sixteen trillion, seven hundred sixty-one million, nine hundred ninety thousand, two hundred seventy-two".