366663660 has 96 divisors (see below), whose sum is σ = 1156184064. Its totient is φ = 86016000.

The previous prime is 366663659. The next prime is 366663719. The reversal of 366663660 is 66366663.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11500 + ... + 29420.

It is an arithmetic number, because the mean of its divisors is an integer number (12043584).

Almost surely, 2^366663660 is an apocalyptic number.

366663660 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 366663660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (578092032).

366663660 is an abundant number, since it is smaller than the sum of its proper divisors (789520404).

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

366663660 is a wasteful number, since it uses less digits than its factorization.

366663660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17975 (or 17973 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 42.

The square root of 366663660 is about 19148.4636459430. The cubic root of 366663660 is about 715.7410999699.

The spelling of 366663660 in words is "three hundred sixty-six million, six hundred sixty-three thousand, six hundred sixty".