213023661960 has 32 divisors (see below), whose sum is σ = 639070986240. Its totient is φ = 56806309824.

The previous prime is 213023661959. The next prime is 213023661967. The reversal of 213023661960 is 69166320312.

It is not an unprimeable number, because it can be changed into a prime (213023661967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 887598472 + ... + 887598711.

It is an arithmetic number, because the mean of its divisors is an integer number (19970968320).

Almost surely, 2^213023661960 is an apocalyptic number.

213023661960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213023661960 is an abundant number, since it is smaller than the sum of its proper divisors (426047324280).

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

213023661960 is a wasteful number, since it uses less digits than its factorization.

213023661960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1775197197 (or 1775197193 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 39.

The spelling of 213023661960 in words is "two hundred thirteen billion, twenty-three million, six hundred sixty-one thousand, nine hundred sixty".