2628570164 has 24 divisors (see below), whose sum is σ = 5022742368. Its totient is φ = 1193718240.

The previous prime is 2628570149. The next prime is 2628570173. The reversal of 2628570164 is 4610758262.

It is a super-2 number, since 2×2628570164² = 13818762214141973792, which contains 22 as substring.

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, 22814 + ... + 76010.

It is an arithmetic number, because the mean of its divisors is an integer number (209280932).

Almost surely, 2^2628570164 is an apocalyptic number.

It is an amenable number.

2628570164 is a deficient number, since it is larger than the sum of its proper divisors (2394172204).

2628570164 is a wasteful number, since it uses less digits than its factorization.

2628570164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54335 (or 54333 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 2628570164 is about 51269.5832243641. The cubic root of 2628570164 is about 1380.0871897582.

The spelling of 2628570164 in words is "two billion, six hundred twenty-eight million, five hundred seventy thousand, one hundred sixty-four".