366545855965536 has 768 divisors, whose sum is σ = 1205416169717760. Its totient is φ = 108938885990400.

The previous prime is 366545855965481. The next prime is 366545855965559. The reversal of 366545855965536 is 635569558545663.

366545855965536 is a `hidden beast` number, since 3 + 6 + 6 + 5 + 4 + 5 + 8 + 5 + 59 + 6 + 553 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 15258109621 + ... + 15258133643.

It is an arithmetic number, because the mean of its divisors is an integer number (1569552304320).

Almost surely, 2^{366545855965536} is an apocalyptic number.

366545855965536 is a gapful number since it is divisible by the number (36) 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 366545855965536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (602708084858880).

366545855965536 is an abundant number, since it is smaller than the sum of its proper divisors (838870313752224).

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

366545855965536 is a wasteful number, since it uses less digits than its factorization.

366545855965536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24639 (or 24613 counting only the distinct ones).

The product of its digits is 52488000000, while the sum is 81.

The spelling of 366545855965536 in words is "three hundred sixty-six trillion, five hundred forty-five billion, eight hundred fifty-five million, nine hundred sixty-five thousand, five hundred thirty-six".