213245413632660 has 48 divisors (see below), whose sum is σ = 597093071351616. Its totient is φ = 56864880475392.

The previous prime is 213245413632637. The next prime is 213245413632701. The reversal of 213245413632660 is 66236314542312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11472097 + ... + 23624136.

It is an arithmetic number, because the mean of its divisors is an integer number (12439438986492).

Almost surely, 2^{213245413632660} is an apocalyptic number.

213245413632660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213245413632660 is an abundant number, since it is smaller than the sum of its proper divisors (383847657718956).

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

213245413632660 is a wasteful number, since it uses less digits than its factorization.

213245413632660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35197512 (or 35197510 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 48.

The spelling of 213245413632660 in words is "two hundred thirteen trillion, two hundred forty-five billion, four hundred thirteen million, six hundred thirty-two thousand, six hundred sixty".