2167653257 has 8 divisors (see below), whose sum is σ = 2702528832. Its totient is φ = 1689080400.

The previous prime is 2167653203. The next prime is 2167653283. The reversal of 2167653257 is 7523567612.

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

It is not a de Polignac number, because 2167653257 - 2⁸ = 2167653001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2167653287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14075594 + ... + 14075747.

It is an arithmetic number, because the mean of its divisors is an integer number (337816104).

Almost surely, 2^2167653257 is an apocalyptic number.

It is an amenable number.

2167653257 is a deficient number, since it is larger than the sum of its proper divisors (534875575).

2167653257 is a wasteful number, since it uses less digits than its factorization.

2167653257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28151359.

The product of its digits is 529200, while the sum is 44.

The square root of 2167653257 is about 46558.0632866102. The cubic root of 2167653257 is about 1294.1857220567.

It can be divided in two parts, 216765 and 3257, that added together give a palindrome (220022).

The spelling of 2167653257 in words is "two billion, one hundred sixty-seven million, six hundred fifty-three thousand, two hundred fifty-seven".