33616961 has 16 divisors (see below), whose sum is σ = 40780800. Its totient is φ = 27086928.

The previous prime is 33616951. The next prime is 33616963. The reversal of 33616961 is 16961633.

It is a cyclic number.

It is not a de Polignac number, because 33616961 - 2⁶ = 33616897 is a prime.

It is a super-2 number, since 2×33616961² = 2260200133751042, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33616963) 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, 7730 + ... + 11268.

It is an arithmetic number, because the mean of its divisors is an integer number (2548800).

Almost surely, 2^33616961 is an apocalyptic number.

It is an amenable number.

33616961 is a deficient number, since it is larger than the sum of its proper divisors (7163839).

33616961 is a wasteful number, since it uses less digits than its factorization.

33616961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3628.

The product of its digits is 17496, while the sum is 35.

The square root of 33616961 is about 5798.0135391356. The cubic root of 33616961 is about 322.7400164270.

The spelling of 33616961 in words is "thirty-three million, six hundred sixteen thousand, nine hundred sixty-one".