157247802612 has 36 divisors (see below), whose sum is σ = 399505222116. Its totient is φ = 52149861120.

The previous prime is 157247802589. The next prime is 157247802623. The reversal of 157247802612 is 216208742751.

157247802612 is a `hidden beast` number, since 1 + 5 + 7 + 24 + 7 + 8 + 0 + 2 + 612 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 122280298596 + 34967504016 = 349686^2 + 186996^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11079189 + ... + 11093372.

It is an arithmetic number, because the mean of its divisors is an integer number (11097367281).

Almost surely, 2^157247802612 is an apocalyptic number.

157247802612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

157247802612 is an abundant number, since it is smaller than the sum of its proper divisors (242257419504).

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

157247802612 is a wasteful number, since it uses less digits than its factorization.

157247802612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22172768 (or 22172763 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The spelling of 157247802612 in words is "one hundred fifty-seven billion, two hundred forty-seven million, eight hundred two thousand, six hundred twelve".