212560167660 has 48 divisors (see below), whose sum is σ = 621045363456. Its totient is φ = 54218245312.

The previous prime is 212560167619. The next prime is 212560167679. The reversal of 212560167660 is 66761065212.

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, 77013174 + ... + 77015933.

It is an arithmetic number, because the mean of its divisors is an integer number (12938445072).

Almost surely, 2^212560167660 is an apocalyptic number.

212560167660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212560167660 is an abundant number, since it is smaller than the sum of its proper divisors (408485195796).

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

212560167660 is a wasteful number, since it uses less digits than its factorization.

212560167660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154029142 (or 154029140 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 212560167660 in words is "two hundred twelve billion, five hundred sixty million, one hundred sixty-seven thousand, six hundred sixty".