402366164 has 6 divisors (see below), whose sum is σ = 704140794. Its totient is φ = 201183080.

The previous prime is 402366137. The next prime is 402366191. The reversal of 402366164 is 461663204.

It is an interprime number because it is at equal distance from previous prime (402366137) and next prime (402366191).

It can be written as a sum of positive squares in only one way, i.e., 290429764 + 111936400 = 17042^2 + 10580^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 402366164.

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, 50295767 + ... + 50295774.

It is an arithmetic number, because the mean of its divisors is an integer number (117356799).

Almost surely, 2^402366164 is an apocalyptic number.

It is an amenable number.

402366164 is a deficient number, since it is larger than the sum of its proper divisors (301774630).

402366164 is a wasteful number, since it uses less digits than its factorization.

402366164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100591545 (or 100591543 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 402366164 is about 20059.0668775993. The cubic root of 402366164 is about 738.2562815143.

The spelling of 402366164 in words is "four hundred two million, three hundred sixty-six thousand, one hundred sixty-four".