214166720 has 28 divisors (see below), whose sum is σ = 509985264. Its totient is φ = 85666560.

The previous prime is 214166713. The next prime is 214166741. The reversal of 214166720 is 27661412.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 334316 + ... + 334955.

Almost surely, 2^214166720 is an apocalyptic number.

214166720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214166720 is an abundant number, since it is smaller than the sum of its proper divisors (295818544).

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

214166720 is an equidigital number, since it uses as much as digits as its factorization.

214166720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669288 (or 669278 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 214166720 is about 14634.4361011964. The cubic root of 214166720 is about 598.2976933395.

The spelling of 214166720 in words is "two hundred fourteen million, one hundred sixty-six thousand, seven hundred twenty".