2553264646 has 16 divisors (see below), whose sum is σ = 4056372000. Its totient is φ = 1201184640.

The previous prime is 2553264601. The next prime is 2553264647. The reversal of 2553264646 is 6464623552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2553264647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134980 + ... + 152728.

It is an arithmetic number, because the mean of its divisors is an integer number (253523250).

Almost surely, 2^2553264646 is an apocalyptic number.

2553264646 is a deficient number, since it is larger than the sum of its proper divisors (1503107354).

2553264646 is a wasteful number, since it uses less digits than its factorization.

2553264646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21999.

The product of its digits is 1036800, while the sum is 43.

The square root of 2553264646 is about 50529.8391645966. The cubic root of 2553264646 is about 1366.7799855935.

The spelling of 2553264646 in words is "two billion, five hundred fifty-three million, two hundred sixty-four thousand, six hundred forty-six".