2557017670 has 16 divisors (see below), whose sum is σ = 4603290768. Its totient is φ = 1022660640.

The previous prime is 2557017653. The next prime is 2557017691. The reversal of 2557017670 is 767107552.

2557017670 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 7 ways as a sum of consecutive naturals, for example, 80365 + ... + 107575.

It is an arithmetic number, because the mean of its divisors is an integer number (287705673).

Almost surely, 2^2557017670 is an apocalyptic number.

2557017670 is a deficient number, since it is larger than the sum of its proper divisors (2046273098).

2557017670 is a wasteful number, since it uses less digits than its factorization.

2557017670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36615.

The product of its (nonzero) digits is 102900, while the sum is 40.

The square root of 2557017670 is about 50566.9622382045. The cubic root of 2557017670 is about 1367.4493308633.

The spelling of 2557017670 in words is "two billion, five hundred fifty-seven million, seventeen thousand, six hundred seventy".