320225553665624 has 8 divisors (see below), whose sum is σ = 600422913123060. Its totient is φ = 160112776832808.

The previous prime is 320225553665609. The next prime is 320225553665683. The reversal of 320225553665624 is 426566355522023.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 320225553665624.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20014097104094 + ... + 20014097104109.

Almost surely, 2^{320225553665624} is an apocalyptic number.

It is an amenable number.

320225553665624 is a deficient number, since it is larger than the sum of its proper divisors (280197359457436).

320225553665624 is a wasteful number, since it uses less digits than its factorization.

320225553665624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40028194208209 (or 40028194208205 counting only the distinct ones).

The product of its (nonzero) digits is 77760000, while the sum is 56.

The spelling of 320225553665624 in words is "three hundred twenty trillion, two hundred twenty-five billion, five hundred fifty-three million, six hundred sixty-five thousand, six hundred twenty-four".