51630556165306 has 16 divisors (see below), whose sum is σ = 77775066374400. Its totient is φ = 25705548460368.

The previous prime is 51630556165303. The next prime is 51630556165319. The reversal of 51630556165306 is 60356165503615.

It is not an unprimeable number, because it can be changed into a prime (51630556165303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3578875 + ... + 10773553.

It is an arithmetic number, because the mean of its divisors is an integer number (4860941648400).

Almost surely, 2^{51630556165306} is an apocalyptic number.

51630556165306 is a deficient number, since it is larger than the sum of its proper divisors (26144510209094).

51630556165306 is a wasteful number, since it uses less digits than its factorization.

51630556165306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7209933.

The product of its (nonzero) digits is 7290000, while the sum is 52.

The spelling of 51630556165306 in words is "fifty-one trillion, six hundred thirty billion, five hundred fifty-six million, one hundred sixty-five thousand, three hundred six".