2557162263 has 8 divisors (see below), whose sum is σ = 3409967488. Its totient is φ = 1704565944.

The previous prime is 2557162249. The next prime is 2557162271. The reversal of 2557162263 is 3622617552.

It is a happy number.

2557162263 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2557162263 - 2⁹ = 2557161751 is a prime.

It is a super-2 number, since 2×2557162263² = 13078157678622562338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2557162213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20995 + ... + 74532.

It is an arithmetic number, because the mean of its divisors is an integer number (426245936).

Almost surely, 2^2557162263 is an apocalyptic number.

2557162263 is a deficient number, since it is larger than the sum of its proper divisors (852805225).

2557162263 is an equidigital number, since it uses as much as digits as its factorization.

2557162263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104453.

The product of its digits is 151200, while the sum is 39.

The square root of 2557162263 is about 50568.3919360701. The cubic root of 2557162263 is about 1367.4751056655.

The spelling of 2557162263 in words is "two billion, five hundred fifty-seven million, one hundred sixty-two thousand, two hundred sixty-three".