6551626172 has 24 divisors (see below), whose sum is σ = 14111195616. Its totient is φ = 2591851968.

The previous prime is 6551626129. The next prime is 6551626181. The reversal of 6551626172 is 2716261556.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8999123 + ... + 8999850.

It is an arithmetic number, because the mean of its divisors is an integer number (587966484).

Almost surely, 2^6551626172 is an apocalyptic number.

It is an amenable number.

6551626172 is an abundant number, since it is smaller than the sum of its proper divisors (7559569444).

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

6551626172 is a wasteful number, since it uses less digits than its factorization.

6551626172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17998997 (or 17998995 counting only the distinct ones).

The product of its digits is 151200, while the sum is 41.

The square root of 6551626172 is about 80942.1161818741. The cubic root of 6551626172 is about 1871.1834589795.

The spelling of 6551626172 in words is "six billion, five hundred fifty-one million, six hundred twenty-six thousand, one hundred seventy-two".