513075166 has 4 divisors (see below), whose sum is σ = 769612752. Its totient is φ = 256537582.

The previous prime is 513075149. The next prime is 513075169. The reversal of 513075166 is 661570315.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×513075166² = 526492251931855112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513075169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128268790 + ... + 128268793.

It is an arithmetic number, because the mean of its divisors is an integer number (192403188).

Almost surely, 2^513075166 is an apocalyptic number.

513075166 is a deficient number, since it is larger than the sum of its proper divisors (256537586).

513075166 is a wasteful number, since it uses less digits than its factorization.

513075166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256537585.

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 513075166 is about 22651.1625750203. The cubic root of 513075166 is about 800.5595907731.

The spelling of 513075166 in words is "five hundred thirteen million, seventy-five thousand, one hundred sixty-six".