157648176636 has 48 divisors (see below), whose sum is σ = 371634201120. Its totient is φ = 52008595200.

The previous prime is 157648176629. The next prime is 157648176649. The reversal of 157648176636 is 636671846751.

It is a self number, because there is not a number n which added to its sum of digits gives 157648176636.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3220230 + ... + 3268818.

It is an arithmetic number, because the mean of its divisors is an integer number (7742379190).

Almost surely, 2^157648176636 is an apocalyptic number.

It is an amenable number.

157648176636 is an abundant number, since it is smaller than the sum of its proper divisors (213986024484).

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

157648176636 is a wasteful number, since it uses less digits than its factorization.

157648176636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51374 (or 51372 counting only the distinct ones).

The product of its digits is 30481920, while the sum is 60.

The spelling of 157648176636 in words is "one hundred fifty-seven billion, six hundred forty-eight million, one hundred seventy-six thousand, six hundred thirty-six".