666365002436100 has 72 divisors (see below), whose sum is σ = 2103290262245088. Its totient is φ = 161543030892800.

The previous prime is 666365002436093. The next prime is 666365002436143. The reversal of 666365002436100 is 1634200563666.

It is a self number, because there is not a number n which added to its sum of digits gives 666365002436100.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 100964391009 + ... + 100964397608.

It is an arithmetic number, because the mean of its divisors is an integer number (29212364753404).

Almost surely, 2^{666365002436100} is an apocalyptic number.

666365002436100 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

666365002436100 is an abundant number, since it is smaller than the sum of its proper divisors (1436925259808988).

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

666365002436100 is a wasteful number, since it uses less digits than its factorization.

666365002436100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201928788645 (or 201928788638 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 48.

Adding to 666365002436100 its reverse (1634200563666), we get a palindrome (667999202999766).

The spelling of 666365002436100 in words is "six hundred sixty-six trillion, three hundred sixty-five billion, two million, four hundred thirty-six thousand, one hundred".