517166157 has 16 divisors (see below), whose sum is σ = 697493952. Its totient is φ = 340819200.

The previous prime is 517166053. The next prime is 517166183. The reversal of 517166157 is 751661715.

It is not a de Polignac number, because 517166157 - 2¹⁵ = 517133389 is a prime.

It is a super-2 number, since 2×517166157² = 534921667892297298, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (517166557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 295158 + ... + 296904.

It is an arithmetic number, because the mean of its divisors is an integer number (43593372).

Almost surely, 2^517166157 is an apocalyptic number.

It is an amenable number.

517166157 is a deficient number, since it is larger than the sum of its proper divisors (180327795).

517166157 is a wasteful number, since it uses less digits than its factorization.

517166157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2828.

The product of its digits is 44100, while the sum is 39.

The square root of 517166157 is about 22741.2874965337. The cubic root of 517166157 is about 802.6817072838.

The spelling of 517166157 in words is "five hundred seventeen million, one hundred sixty-six thousand, one hundred fifty-seven".