6612406556 has 12 divisors (see below), whose sum is σ = 13224813168. Its totient is φ = 2833888512.

The previous prime is 6612406531. The next prime is 6612406621. The reversal of 6612406556 is 6556042166.

6612406556 is an admirable number.

It is a super-2 number, since 2×6612406556² = 87447840923663562272, which 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, 118078661 + ... + 118078716.

It is an arithmetic number, because the mean of its divisors is an integer number (1102067764).

Almost surely, 2^6612406556 is an apocalyptic number.

It is an amenable number.

6612406556 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6612406556 is a wasteful number, since it uses less digits than its factorization.

6612406556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236157388 (or 236157386 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 41.

The square root of 6612406556 is about 81316.7052701965. The cubic root of 6612406556 is about 1876.9520700741.

The spelling of 6612406556 in words is "six billion, six hundred twelve million, four hundred six thousand, five hundred fifty-six".