515225166 has 16 divisors (see below), whose sum is σ = 1084684800. Its totient is φ = 162702648.

The previous prime is 515225143. The next prime is 515225189. The reversal of 515225166 is 661522515.

It is an interprime number because it is at equal distance from previous prime (515225143) and next prime (515225189).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2259646 + ... + 2259873.

It is an arithmetic number, because the mean of its divisors is an integer number (67792800).

Almost surely, 2^515225166 is an apocalyptic number.

515225166 is an abundant number, since it is smaller than the sum of its proper divisors (569459634).

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

515225166 is a wasteful number, since it uses less digits than its factorization.

515225166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4519543.

The product of its digits is 18000, while the sum is 33.

The square root of 515225166 is about 22698.5718934033. The cubic root of 515225166 is about 801.6762591991.

The spelling of 515225166 in words is "five hundred fifteen million, two hundred twenty-five thousand, one hundred sixty-six".