2656012554 has 96 divisors (see below), whose sum is σ = 6413713488. Its totient is φ = 789120000.

The previous prime is 2656012553. The next prime is 2656012573. The reversal of 2656012554 is 4552106562.

2656012554 is a `hidden beast` number, since 26 + 5 + 601 + 25 + 5 + 4 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 601475625 + 2054536929 = 24525^2 + 45327^2 .

It is not an unprimeable number, because it can be changed into a prime (2656012553) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 967624 + ... + 970364.

Almost surely, 2^2656012554 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2656012554, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3206856744).

2656012554 is an abundant number, since it is smaller than the sum of its proper divisors (3757700934).

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

2656012554 is a wasteful number, since it uses less digits than its factorization.

2656012554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2904 (or 2901 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 2656012554 is about 51536.5167041778. The cubic root of 2656012554 is about 1384.8732964587.

The spelling of 2656012554 in words is "two billion, six hundred fifty-six million, twelve thousand, five hundred fifty-four".