200249661 has 16 divisors (see below), whose sum is σ = 286141824. Its totient is φ = 124242624.

The previous prime is 200249629. The next prime is 200249689. The reversal of 200249661 is 166942002.

It is not a de Polignac number, because 200249661 - 2⁵ = 200249629 is a prime.

It is a super-2 number, since 2×200249661² = 80199853461229842, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200249461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36666 + ... + 41771.

It is an arithmetic number, because the mean of its divisors is an integer number (17883864).

Almost surely, 2^200249661 is an apocalyptic number.

It is an amenable number.

200249661 is a deficient number, since it is larger than the sum of its proper divisors (85892163).

200249661 is a wasteful number, since it uses less digits than its factorization.

200249661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78500.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 200249661 is about 14150.9597201038. The cubic root of 200249661 is about 585.0467841903.

The spelling of 200249661 in words is "two hundred million, two hundred forty-nine thousand, six hundred sixty-one".