10170517157 has 4 divisors (see below), whose sum is σ = 10170718860. Its totient is φ = 10170315456.

The previous prime is 10170517153. The next prime is 10170517183. The reversal of 10170517157 is 75171507101.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 3262580161 + 6907936996 = 57119^2 + 83114^2 .

It is a cyclic number.

It is not a de Polignac number, because 10170517157 - 2² = 10170517153 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10170517153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49469 + ... + 150957.

It is an arithmetic number, because the mean of its divisors is an integer number (2542679715).

Almost surely, 2^10170517157 is an apocalyptic number.

It is an amenable number.

10170517157 is a deficient number, since it is larger than the sum of its proper divisors (201703).

10170517157 is a wasteful number, since it uses less digits than its factorization.

10170517157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201702.

The product of its (nonzero) digits is 8575, while the sum is 35.

The spelling of 10170517157 in words is "ten billion, one hundred seventy million, five hundred seventeen thousand, one hundred fifty-seven".