202054554664 has 16 divisors (see below), whose sum is σ = 386000447220. Its totient is φ = 99121102080.

The previous prime is 202054554659. The next prime is 202054554683. The reversal of 202054554664 is 466455450202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 175358262564 + 26696292100 = 418758^2 + 163390^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 202054554664.

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, 238271457 + ... + 238272304.

Almost surely, 2^202054554664 is an apocalyptic number.

It is an amenable number.

202054554664 is a deficient number, since it is larger than the sum of its proper divisors (183945892556).

202054554664 is a wasteful number, since it uses less digits than its factorization.

202054554664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476543820 (or 476543816 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 43.

The spelling of 202054554664 in words is "two hundred two billion, fifty-four million, five hundred fifty-four thousand, six hundred sixty-four".