2551606072 has 16 divisors (see below), whose sum is σ = 4786054200. Its totient is φ = 1275324960.

The previous prime is 2551606037. The next prime is 2551606073. The reversal of 2551606072 is 2706061552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2551606073) 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, 36547 + ... + 80242.

Almost surely, 2^2551606072 is an apocalyptic number.

It is an amenable number.

2551606072 is a deficient number, since it is larger than the sum of its proper divisors (2234448128).

2551606072 is a wasteful number, since it uses less digits than its factorization.

2551606072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119526 (or 119522 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 2551606072 is about 50513.4246710714. The cubic root of 2551606072 is about 1366.4839728292.

The spelling of 2551606072 in words is "two billion, five hundred fifty-one million, six hundred six thousand, seventy-two".