200616945 has 24 divisors (see below), whose sum is σ = 325253376. Its totient is φ = 105592032.

The previous prime is 200616929. The next prime is 200616959. The reversal of 200616945 is 549616002.

It is not a de Polignac number, because 200616945 - 2⁴ = 200616929 is a prime.

It is a super-2 number, since 2×200616945² = 80494317242266050, which contains 22 as substring.

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, 92544 + ... + 94686.

It is an arithmetic number, because the mean of its divisors is an integer number (13552224).

Almost surely, 2^200616945 is an apocalyptic number.

It is an amenable number.

200616945 is a deficient number, since it is larger than the sum of its proper divisors (124636431).

200616945 is an equidigital number, since it uses as much as digits as its factorization.

200616945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2309 (or 2230 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 200616945 is about 14163.9311280449. The cubic root of 200616945 is about 585.4042497729.

The spelling of 200616945 in words is "two hundred million, six hundred sixteen thousand, nine hundred forty-five".