157641563502 has 48 divisors (see below), whose sum is σ = 355416188400. Its totient is φ = 52367798592.

The previous prime is 157641563461. The next prime is 157641563509. The reversal of 157641563502 is 205365146751.

157641563502 is a `hidden beast` number, since 1 + 5 + 7 + 6 + 4 + 1 + 5 + 635 + 0 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157641563509) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 411127 + ... + 695922.

It is an arithmetic number, because the mean of its divisors is an integer number (7404503925).

Almost surely, 2^157641563502 is an apocalyptic number.

157641563502 is an abundant number, since it is smaller than the sum of its proper divisors (197774624898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157641563502 is a wasteful number, since it uses less digits than its factorization.

157641563502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1107359 (or 1107347 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 45.

The spelling of 157641563502 in words is "one hundred fifty-seven billion, six hundred forty-one million, five hundred sixty-three thousand, five hundred two".