2644600808156 has 12 divisors (see below), whose sum is σ = 4634749033320. Its totient is φ = 1320386798640.

The previous prime is 2644600808107. The next prime is 2644600808167. The reversal of 2644600808156 is 6518080064462.

It is a super-2 number, since 2×2644600808156² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 478398251 + ... + 478403778.

It is an arithmetic number, because the mean of its divisors is an integer number (386229086110).

Almost surely, 2^{2644600808156} is an apocalyptic number.

It is an amenable number.

2644600808156 is a deficient number, since it is larger than the sum of its proper divisors (1990148225164).

2644600808156 is a wasteful number, since it uses less digits than its factorization.

2644600808156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956802724 (or 956802722 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 50.

The spelling of 2644600808156 in words is "two trillion, six hundred forty-four billion, six hundred million, eight hundred eight thousand, one hundred fifty-six".