157986315426 has 16 divisors (see below), whose sum is σ = 315984060000. Its totient is φ = 52660200288.

The previous prime is 157986315413. The next prime is 157986315463. The reversal of 157986315426 is 624513689751.

157986315426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×157986315426² (a number of 23 digits) contains 22 as substring.

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, 290971 + ... + 632958.

It is an arithmetic number, because the mean of its divisors is an integer number (19749003750).

Almost surely, 2^157986315426 is an apocalyptic number.

157986315426 is an abundant number, since it is smaller than the sum of its proper divisors (157997744574).

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

157986315426 is a wasteful number, since it uses less digits than its factorization.

157986315426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952433.

The product of its digits is 10886400, while the sum is 57.

The spelling of 157986315426 in words is "one hundred fifty-seven billion, nine hundred eighty-six million, three hundred fifteen thousand, four hundred twenty-six".