2656662442 has 16 divisors (see below), whose sum is σ = 4558099392. Its totient is φ = 1137614400.

The previous prime is 2656662439. The next prime is 2656662467. The reversal of 2656662442 is 2442666562.

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, 62188 + ... + 95815.

It is an arithmetic number, because the mean of its divisors is an integer number (284881212).

Almost surely, 2^2656662442 is an apocalyptic number.

2656662442 is a deficient number, since it is larger than the sum of its proper divisors (1901436950).

2656662442 is a wasteful number, since it uses less digits than its factorization.

2656662442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159213.

The product of its digits is 829440, while the sum is 43.

The square root of 2656662442 is about 51542.8214400415. The cubic root of 2656662442 is about 1384.9862400941.

The spelling of 2656662442 in words is "two billion, six hundred fifty-six million, six hundred sixty-two thousand, four hundred forty-two".