363642666387 has 64 divisors (see below), whose sum is σ = 653791896576. Its totient is φ = 173625384960.

The previous prime is 363642666379. The next prime is 363642666437. The reversal of 363642666387 is 783666246363.

It is not a de Polignac number, because 363642666387 - 2³ = 363642666379 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 363642666387.

It is not an unprimeable number, because it can be changed into a prime (363642666587) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 439843 + ... + 959555.

It is an arithmetic number, because the mean of its divisors is an integer number (10215498384).

Almost surely, 2^363642666387 is an apocalyptic number.

363642666387 is a deficient number, since it is larger than the sum of its proper divisors (290149230189).

363642666387 is a wasteful number, since it uses less digits than its factorization.

363642666387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519980.

The product of its digits is 94058496, while the sum is 60.

The spelling of 363642666387 in words is "three hundred sixty-three billion, six hundred forty-two million, six hundred sixty-six thousand, three hundred eighty-seven".