6555606620372 has 12 divisors (see below), whose sum is σ = 12076117458720. Its totient is φ = 3105287346456.

The previous prime is 6555606620293. The next prime is 6555606620389. The reversal of 6555606620372 is 2730266065556.

It is a super-2 number, since 2×6555606620372² (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, 43128990848 + ... + 43128990999.

It is an arithmetic number, because the mean of its divisors is an integer number (1006343121560).

Almost surely, 2^{6555606620372} is an apocalyptic number.

It is an amenable number.

6555606620372 is a deficient number, since it is larger than the sum of its proper divisors (5520510838348).

6555606620372 is a wasteful number, since it uses less digits than its factorization.

6555606620372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86257981870 (or 86257981868 counting only the distinct ones).

The product of its (nonzero) digits is 13608000, while the sum is 53.

The spelling of 6555606620372 in words is "six trillion, five hundred fifty-five billion, six hundred six million, six hundred twenty thousand, three hundred seventy-two".