157071717612 has 36 divisors (see below), whose sum is σ = 397069316280. Its totient is φ = 52353689472.

The previous prime is 157071717611. The next prime is 157071717641. The reversal of 157071717612 is 216717170751.

157071717612 is a `hidden beast` number, since 1 + 5 + 7 + 0 + 7 + 17 + 17 + 612 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (157071717611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 420363 + ... + 700605.

It is an arithmetic number, because the mean of its divisors is an integer number (11029703230).

Almost surely, 2^157071717612 is an apocalyptic number.

157071717612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

157071717612 is an abundant number, since it is smaller than the sum of its proper divisors (239997598668).

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

157071717612 is a wasteful number, since it uses less digits than its factorization.

157071717612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295822 (or 295817 counting only the distinct ones).

The product of its (nonzero) digits is 144060, while the sum is 45.

The spelling of 157071717612 in words is "one hundred fifty-seven billion, seventy-one million, seven hundred seventeen thousand, six hundred twelve".