366899920920 has 768 divisors, whose sum is σ = 1383704985600. Its totient is φ = 85944499200.

The previous prime is 366899920903. The next prime is 366899920939. The reversal of 366899920920 is 29029998663.

366899920920 is a `hidden beast` number, since 366 + 89 + 99 + 20 + 92 + 0 = 666.

It is a super-2 number, since 2×366899920920² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 957963049 + ... + 957963431.

It is an arithmetic number, because the mean of its divisors is an integer number (1801699200).

Almost surely, 2^366899920920 is an apocalyptic number.

366899920920 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 366899920920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (691852492800).

366899920920 is an abundant number, since it is smaller than the sum of its proper divisors (1016805064680).

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

366899920920 is a wasteful number, since it uses less digits than its factorization.

366899920920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549 (or 508 counting only the distinct ones).

The product of its (nonzero) digits is 22674816, while the sum is 63.

The spelling of 366899920920 in words is "three hundred sixty-six billion, eight hundred ninety-nine million, nine hundred twenty thousand, nine hundred twenty".