213737973160 has 32 divisors (see below), whose sum is σ = 481013772840. Its totient is φ = 85476818944.

The previous prime is 213737973083. The next prime is 213737973179. The reversal of 213737973160 is 61379737312.

It can be written as a sum of positive squares in 4 ways, for example, as 200275940484 + 13462032676 = 447522^2 + 116026^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 384817 + ... + 758656.

Almost surely, 2^213737973160 is an apocalyptic number.

213737973160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213737973160 is an abundant number, since it is smaller than the sum of its proper divisors (267275799680).

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

213737973160 is a wasteful number, since it uses less digits than its factorization.

213737973160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1148157 (or 1148153 counting only the distinct ones).

The product of its (nonzero) digits is 1000188, while the sum is 49.

The spelling of 213737973160 in words is "two hundred thirteen billion, seven hundred thirty-seven million, nine hundred seventy-three thousand, one hundred sixty".