2656165602 has 8 divisors (see below), whose sum is σ = 5312331216. Its totient is φ = 885388532.

The previous prime is 2656165601. The next prime is 2656165609. The reversal of 2656165602 is 2065616562.

It is a happy number.

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

2656165602 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (2656165601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221347128 + ... + 221347139.

It is an arithmetic number, because the mean of its divisors is an integer number (664041402).

Almost surely, 2^2656165602 is an apocalyptic number.

2656165602 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2656165602 is a wasteful number, since it uses less digits than its factorization.

2656165602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442694272.

The product of its (nonzero) digits is 129600, while the sum is 39.

The square root of 2656165602 is about 51538.0015328495. The cubic root of 2656165602 is about 1384.8998962348.

It can be divided in two parts, 265616560 and 2, that added together give a palindrome (265616562).

The spelling of 2656165602 in words is "two billion, six hundred fifty-six million, one hundred sixty-five thousand, six hundred two".