7551456656 has 40 divisors (see below), whose sum is σ = 15113627904. Its totient is φ = 3651338880.

The previous prime is 7551456643. The next prime is 7551456659. The reversal of 7551456656 is 6566541557.

It is not an unprimeable number, because it can be changed into a prime (7551456659) 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, 822266 + ... + 831398.

Almost surely, 2^7551456656 is an apocalyptic number.

It is an amenable number.

7551456656 is an abundant number, since it is smaller than the sum of its proper divisors (7562171248).

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

7551456656 is a wasteful number, since it uses less digits than its factorization.

7551456656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10839 (or 10833 counting only the distinct ones).

The product of its digits is 3780000, while the sum is 50.

The square root of 7551456656 is about 86899.1176940249. The cubic root of 7551456656 is about 1961.9001993860.

The spelling of 7551456656 in words is "seven billion, five hundred fifty-one million, four hundred fifty-six thousand, six hundred fifty-six".