212160366 has 48 divisors (see below), whose sum is σ = 513152640. Its totient is φ = 62793360.

The previous prime is 212160343. The next prime is 212160371. The reversal of 212160366 is 663061212.

It is a congruent number.

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, 3946 + ... + 20973.

It is an arithmetic number, because the mean of its divisors is an integer number (10690680).

Almost surely, 2^212160366 is an apocalyptic number.

212160366 is an abundant number, since it is smaller than the sum of its proper divisors (300992274).

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

212160366 is a wasteful number, since it uses less digits than its factorization.

212160366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24981 (or 24978 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 212160366 is about 14565.7257285725. The cubic root of 212160366 is about 596.4235068539.

The spelling of 212160366 in words is "two hundred twelve million, one hundred sixty thousand, three hundred sixty-six".