202404427164 has 18 divisors (see below), whose sum is σ = 511633413200. Its totient is φ = 67468142376.

The previous prime is 202404427157. The next prime is 202404427171. The reversal of 202404427164 is 461724404202.

202404427164 is a `hidden beast` number, since 202 + 4 + 0 + 442 + 7 + 1 + 6 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (202404427157) and next prime (202404427171).

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 5622345199 = 202404427164 / (2 + 0 + 2 + 4 + 0 + 4 + 4 + 2 + 7 + 1 + 6 + 4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2811172564 + ... + 2811172635.

Almost surely, 2^202404427164 is an apocalyptic number.

It is an amenable number.

202404427164 is an abundant number, since it is smaller than the sum of its proper divisors (309228986036).

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

202404427164 is a wasteful number, since it uses less digits than its factorization.

202404427164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5622345209 (or 5622345204 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 36.

The spelling of 202404427164 in words is "two hundred two billion, four hundred four million, four hundred twenty-seven thousand, one hundred sixty-four".