2656242146 has 16 divisors (see below), whose sum is σ = 4257447480. Its totient is φ = 1238526720.

The previous prime is 2656242137. The next prime is 2656242191. The reversal of 2656242146 is 6412426562.

It can be written as a sum of positive squares in 4 ways, for example, as 2526168121 + 130074025 = 50261^2 + 11405^2 .

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, 354665 + ... + 362076.

Almost surely, 2^2656242146 is an apocalyptic number.

2656242146 is a deficient number, since it is larger than the sum of its proper divisors (1601205334).

2656242146 is a wasteful number, since it uses less digits than its factorization.

2656242146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716869.

The product of its digits is 138240, while the sum is 38.

The square root of 2656242146 is about 51538.7441251725. The cubic root of 2656242146 is about 1384.9131992155.

The spelling of 2656242146 in words is "two billion, six hundred fifty-six million, two hundred forty-two thousand, one hundred forty-six".