52157661316 has 12 divisors (see below), whose sum is σ = 91293406288. Its totient is φ = 26073830952.

The previous prime is 52157661287. The next prime is 52157661317. The reversal of 52157661316 is 61316675125.

It is not an unprimeable number, because it can be changed into a prime (52157661317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1226406 + ... + 1268221.

Almost surely, 2^52157661316 is an apocalyptic number.

It is an amenable number.

52157661316 is a deficient number, since it is larger than the sum of its proper divisors (39135744972).

52157661316 is a wasteful number, since it uses less digits than its factorization.

52157661316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2499858 (or 2499856 counting only the distinct ones).

The product of its digits is 226800, while the sum is 43.

The spelling of 52157661316 in words is "fifty-two billion, one hundred fifty-seven million, six hundred sixty-one thousand, three hundred sixteen".