157640028896 has 48 divisors (see below), whose sum is σ = 362236686336. Its totient is φ = 66122560896.

The previous prime is 157640028881. The next prime is 157640028899. The reversal of 157640028896 is 698820046751.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157640028899) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7476176 + ... + 7497231.

It is an arithmetic number, because the mean of its divisors is an integer number (7546597632).

Almost surely, 2^157640028896 is an apocalyptic number.

157640028896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

157640028896 is an abundant number, since it is smaller than the sum of its proper divisors (204596657440).

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

157640028896 is a wasteful number, since it uses less digits than its factorization.

157640028896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14973471 (or 14973463 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 56.

The spelling of 157640028896 in words is "one hundred fifty-seven billion, six hundred forty million, twenty-eight thousand, eight hundred ninety-six".