157170054717 has 48 divisors (see below), whose sum is σ = 258233888640. Its totient is φ = 91316398464.

The previous prime is 157170054709. The next prime is 157170054737. The reversal of 157170054717 is 717450071751.

157170054717 is a `hidden beast` number, since 1 + 5 + 7 + 170 + 0 + 5 + 471 + 7 = 666.

It is not a de Polignac number, because 157170054717 - 2³ = 157170054709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157170054737) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 530688 + ... + 771990.

It is an arithmetic number, because the mean of its divisors is an integer number (5379872680).

Almost surely, 2^157170054717 is an apocalyptic number.

It is an amenable number.

157170054717 is a deficient number, since it is larger than the sum of its proper divisors (101063833923).

157170054717 is a wasteful number, since it uses less digits than its factorization.

157170054717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241634 (or 241631 counting only the distinct ones).

The product of its (nonzero) digits is 240100, while the sum is 45.

The spelling of 157170054717 in words is "one hundred fifty-seven billion, one hundred seventy million, fifty-four thousand, seven hundred seventeen".