157206746636 has 12 divisors (see below), whose sum is σ = 281509755912. Its totient is φ = 76775387808.

The previous prime is 157206746623. The next prime is 157206746647. The reversal of 157206746636 is 636647602751.

It is a super-2 number, since 2×157206746636² (a number of 23 digits) contains 22 as substring.

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

It is an unprimeable number.

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, 456996185 + ... + 456996528.

It is an arithmetic number, because the mean of its divisors is an integer number (23459146326).

Almost surely, 2^157206746636 is an apocalyptic number.

It is an amenable number.

157206746636 is a deficient number, since it is larger than the sum of its proper divisors (124303009276).

157206746636 is a wasteful number, since it uses less digits than its factorization.

157206746636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913992760 (or 913992758 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 53.

The spelling of 157206746636 in words is "one hundred fifty-seven billion, two hundred six million, seven hundred forty-six thousand, six hundred thirty-six".