157852201617 has 12 divisors (see below), whose sum is σ = 248736802704. Its totient is φ = 95668000920.

The previous prime is 157852201613. The next prime is 157852201621. The reversal of 157852201617 is 716102258751.

157852201617 is a `hidden beast` number, since 1 + 5 + 7 + 8 + 5 + 2 + 20 + 1 + 617 = 666.

It is an interprime number because it is at equal distance from previous prime (157852201613) and next prime (157852201621).

It is not a de Polignac number, because 157852201617 - 2² = 157852201613 is a prime.

It is not an unprimeable number, because it can be changed into a prime (157852201613) 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, 797233243 + ... + 797233440.

It is an arithmetic number, because the mean of its divisors is an integer number (20728066892).

Almost surely, 2^157852201617 is an apocalyptic number.

It is an amenable number.

157852201617 is a deficient number, since it is larger than the sum of its proper divisors (90884601087).

157852201617 is a wasteful number, since it uses less digits than its factorization.

157852201617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1594466700 (or 1594466697 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 45.

The spelling of 157852201617 in words is "one hundred fifty-seven billion, eight hundred fifty-two million, two hundred one thousand, six hundred seventeen".