2557162101 has 32 divisors (see below), whose sum is σ = 3879146880. Its totient is φ = 1485388800.

The previous prime is 2557162099. The next prime is 2557162109. The reversal of 2557162101 is 1012617552.

2557162101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2557162101 - 2¹ = 2557162099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2557162109) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 202081 + ... + 214361.

It is an arithmetic number, because the mean of its divisors is an integer number (121223340).

Almost surely, 2^2557162101 is an apocalyptic number.

It is an amenable number.

2557162101 is a deficient number, since it is larger than the sum of its proper divisors (1321984779).

2557162101 is a wasteful number, since it uses less digits than its factorization.

2557162101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12597.

The product of its (nonzero) digits is 4200, while the sum is 30.

The square root of 2557162101 is about 50568.3903342790. The cubic root of 2557162101 is about 1367.4750767883.

Adding to 2557162101 its reverse (1012617552), we get a palindrome (3569779653).

The spelling of 2557162101 in words is "two billion, five hundred fifty-seven million, one hundred sixty-two thousand, one hundred one".