625543337170672 has 40 divisors (see below), whose sum is σ = 1227343499075840. Its totient is φ = 308809606023360.

The previous prime is 625543337170637. The next prime is 625543337170747. The reversal of 625543337170672 is 276071733345526.

It is a super-3 number, since 3×625543337170672³ (a number of 45 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 625543337170672.

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, 134183563 + ... + 138767125.

It is an arithmetic number, because the mean of its divisors is an integer number (30683587476896).

Almost surely, 2^{625543337170672} is an apocalyptic number.

It is an amenable number.

625543337170672 is a deficient number, since it is larger than the sum of its proper divisors (601800161905168).

625543337170672 is a wasteful number, since it uses less digits than its factorization.

625543337170672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4691621 (or 4691615 counting only the distinct ones).

The product of its (nonzero) digits is 133358400, while the sum is 61.

The spelling of 625543337170672 in words is "six hundred twenty-five trillion, five hundred forty-three billion, three hundred thirty-seven million, one hundred seventy thousand, six hundred seventy-two".