200651664 has 20 divisors (see below), whose sum is σ = 518350256. Its totient is φ = 66883872.

The previous prime is 200651651. The next prime is 200651683. The reversal of 200651664 is 466156002.

It is a super-2 number, since 2×200651664² = 80522180531937792, which contains 22 as substring.

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, 2090074 + ... + 2090169.

Almost surely, 2^200651664 is an apocalyptic number.

200651664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

200651664 is an abundant number, since it is smaller than the sum of its proper divisors (317698592).

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

200651664 is a wasteful number, since it uses less digits than its factorization.

200651664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4180254 (or 4180248 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 200651664 is about 14165.1566881556. The cubic root of 200651664 is about 585.4380180699.

The spelling of 200651664 in words is "two hundred million, six hundred fifty-one thousand, six hundred sixty-four".