201418864 has 20 divisors (see below), whose sum is σ = 390872304. Its totient is φ = 100548608.

The previous prime is 201418831. The next prime is 201418897. The reversal of 201418864 is 468814102.

It is an interprime number because it is at equal distance from previous prime (201418831) and next prime (201418897).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 624 + ... + 20080.

Almost surely, 2^201418864 is an apocalyptic number.

It is an amenable number.

201418864 is a deficient number, since it is larger than the sum of its proper divisors (189453440).

201418864 is a wasteful number, since it uses less digits than its factorization.

201418864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20112 (or 20106 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 201418864 is about 14192.2113851225. The cubic root of 201418864 is about 586.1832179950.

The spelling of 201418864 in words is "two hundred one million, four hundred eighteen thousand, eight hundred sixty-four".