157970421052 has 24 divisors (see below), whose sum is σ = 277271164800. Its totient is φ = 78750173616.

The previous prime is 157970421031. The next prime is 157970421097. The reversal of 157970421052 is 250124079751.

157970421052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14726563 + ... + 14737285.

It is an arithmetic number, because the mean of its divisors is an integer number (11552965200).

Almost surely, 2^157970421052 is an apocalyptic number.

It is an amenable number.

157970421052 is a deficient number, since it is larger than the sum of its proper divisors (119300743748).

157970421052 is a wasteful number, since it uses less digits than its factorization.

157970421052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21345 (or 21343 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 43.

The spelling of 157970421052 in words is "one hundred fifty-seven billion, nine hundred seventy million, four hundred twenty-one thousand, fifty-two".