366564140772643 has 16 divisors (see below), whose sum is σ = 417279379182336. Its totient is φ = 318747772198240.

The previous prime is 366564140772619. The next prime is 366564140772763. The reversal of 366564140772643 is 346277041465663.

It is a happy number.

It is not a de Polignac number, because 366564140772643 - 2⁵ = 366564140772611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (366564140778643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13921821 + ... + 30445777.

It is an arithmetic number, because the mean of its divisors is an integer number (26079961198896).

Almost surely, 2^{366564140772643} is an apocalyptic number.

366564140772643 is a deficient number, since it is larger than the sum of its proper divisors (50715238409693).

366564140772643 is a wasteful number, since it uses less digits than its factorization.

366564140772643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16611674.

The product of its (nonzero) digits is 365783040, while the sum is 64.

The spelling of 366564140772643 in words is "three hundred sixty-six trillion, five hundred sixty-four billion, one hundred forty million, seven hundred seventy-two thousand, six hundred forty-three".