366406566 has 16 divisors (see below), whose sum is σ = 733320000. Its totient is φ = 122051048.

The previous prime is 366406549. The next prime is 366406567. The reversal of 366406566 is 665604663.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (366406567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11376 + ... + 29363.

It is an arithmetic number, because the mean of its divisors is an integer number (45832500).

Almost surely, 2^366406566 is an apocalyptic number.

366406566 is an abundant number, since it is smaller than the sum of its proper divisors (366913434).

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

366406566 is a wasteful number, since it uses less digits than its factorization.

366406566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42243.

The product of its (nonzero) digits is 466560, while the sum is 42.

The square root of 366406566 is about 19141.7492931028. The cubic root of 366406566 is about 715.5737751731.

The spelling of 366406566 in words is "three hundred sixty-six million, four hundred six thousand, five hundred sixty-six".