2156675466 has 32 divisors (see below), whose sum is σ = 4715366400. Its totient is φ = 652164080.

The previous prime is 2156675461. The next prime is 2156675467. The reversal of 2156675466 is 6645766512.

It is not an unprimeable number, because it can be changed into a prime (2156675461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2496 + ... + 65723.

It is an arithmetic number, because the mean of its divisors is an integer number (147355200).

Almost surely, 2^2156675466 is an apocalyptic number.

2156675466 is an abundant number, since it is smaller than the sum of its proper divisors (2558690934).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2156675466 is a wasteful number, since it uses less digits than its factorization.

2156675466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68714.

The product of its digits is 1814400, while the sum is 48.

The square root of 2156675466 is about 46440.0200904349. The cubic root of 2156675466 is about 1291.9972798334.

The spelling of 2156675466 in words is "two billion, one hundred fifty-six million, six hundred seventy-five thousand, four hundred sixty-six".