2656161662 has 32 divisors (see below), whose sum is σ = 4986330624. Its totient is φ = 1030917600.

The previous prime is 2656161659. The next prime is 2656161667. The reversal of 2656161662 is 2661616562.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2656161667) 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, 7712 + ... + 73292.

It is an arithmetic number, because the mean of its divisors is an integer number (155822832).

Almost surely, 2^2656161662 is an apocalyptic number.

2656161662 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2656161662 is a deficient number, since it is larger than the sum of its proper divisors (2330168962).

2656161662 is a wasteful number, since it uses less digits than its factorization.

2656161662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65864.

The product of its digits is 155520, while the sum is 41.

The square root of 2656161662 is about 51537.9633086136. The cubic root of 2656161662 is about 1384.8992114747.

The spelling of 2656161662 in words is "two billion, six hundred fifty-six million, one hundred sixty-one thousand, six hundred sixty-two".