406373166 has 16 divisors (see below), whose sum is σ = 903051600. Its totient is φ = 135457704.

The previous prime is 406373161. The next prime is 406373171. The reversal of 406373166 is 661373604.

It is a happy number.

406373166 is a `hidden beast` number, since 4 + 0 + 637 + 3 + 16 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (406373161) and next prime (406373171).

It is a self number, because there is not a number n which added to its sum of digits gives 406373166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406373161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3762661 + ... + 3762768.

It is an arithmetic number, because the mean of its divisors is an integer number (56440725).

Almost surely, 2^406373166 is an apocalyptic number.

406373166 is an abundant number, since it is smaller than the sum of its proper divisors (496678434).

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

406373166 is a wasteful number, since it uses less digits than its factorization.

406373166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7525440 (or 7525434 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The square root of 406373166 is about 20158.6995116252. The cubic root of 406373166 is about 740.6988564706.

The spelling of 406373166 in words is "four hundred six million, three hundred seventy-three thousand, one hundred sixty-six".