2557165070 has 32 divisors (see below), whose sum is σ = 4847135040. Its totient is φ = 969408000.

The previous prime is 2557165063. The next prime is 2557165087. The reversal of 2557165070 is 705617552.

2557165070 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25931 + ... + 76070.

It is an arithmetic number, because the mean of its divisors is an integer number (151472970).

Almost surely, 2^2557165070 is an apocalyptic number.

2557165070 is a deficient number, since it is larger than the sum of its proper divisors (2289969970).

2557165070 is a wasteful number, since it uses less digits than its factorization.

2557165070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102140.

The product of its (nonzero) digits is 73500, while the sum is 38.

The square root of 2557165070 is about 50568.4196905539. The cubic root of 2557165070 is about 1367.4756060250.

The spelling of 2557165070 in words is "two billion, five hundred fifty-seven million, one hundred sixty-five thousand, seventy".