366620006565 has 48 divisors (see below), whose sum is σ = 639062161920. Its totient is φ = 194429750400.

The previous prime is 366620006527. The next prime is 366620006567. The reversal of 366620006565 is 565600026663.

It is not a de Polignac number, because 366620006565 - 2²⁸ = 366351571109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 366620006565.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (366620006567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6070015 + ... + 6130115.

It is an arithmetic number, because the mean of its divisors is an integer number (13313795040).

Almost surely, 2^366620006565 is an apocalyptic number.

It is an amenable number.

366620006565 is a deficient number, since it is larger than the sum of its proper divisors (272442155355).

366620006565 is a wasteful number, since it uses less digits than its factorization.

366620006565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60874 (or 60871 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 45.

The spelling of 366620006565 in words is "three hundred sixty-six billion, six hundred twenty million, six thousand, five hundred sixty-five".