36666402347520 has 1920 divisors, whose sum is σ = 147789620858880. Its totient is φ = 8636288532480.

The previous prime is 36666402347513. The next prime is 36666402347543. The reversal of 36666402347520 is 2574320466663.

It is a tau number, because it is divible by the number of its divisors (1920).

It is a super-2 number, since 2×36666402347520² (a number of 28 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 55639456951 + ... + 55639457609.

It is an arithmetic number, because the mean of its divisors is an integer number (76973760864).

Almost surely, 2^{36666402347520} is an apocalyptic number.

36666402347520 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 36666402347520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73894810429440).

36666402347520 is an abundant number, since it is smaller than the sum of its proper divisors (111123218511360).

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

36666402347520 is a wasteful number, since it uses less digits than its factorization.

36666402347520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 928 (or 900 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 54.

The spelling of 36666402347520 in words is "thirty-six trillion, six hundred sixty-six billion, four hundred two million, three hundred forty-seven thousand, five hundred twenty".