33198664 has 8 divisors (see below), whose sum is σ = 62247510. Its totient is φ = 16599328.

The previous prime is 33198661. The next prime is 33198667. The reversal of 33198664 is 46689133.

It is an interprime number because it is at equal distance from previous prime (33198661) and next prime (33198667).

It can be written as a sum of positive squares in only one way, i.e., 33154564 + 44100 = 5758^2 + 210^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×33198664² = 2204302582769792, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33198661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2074909 + ... + 2074924.

Almost surely, 2^33198664 is an apocalyptic number.

It is an amenable number.

33198664 is a deficient number, since it is larger than the sum of its proper divisors (29048846).

33198664 is a wasteful number, since it uses less digits than its factorization.

33198664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4149839 (or 4149835 counting only the distinct ones).

The product of its digits is 93312, while the sum is 40.

The square root of 33198664 is about 5761.8281820964. The cubic root of 33198664 is about 321.3958038507.

The spelling of 33198664 in words is "thirty-three million, one hundred ninety-eight thousand, six hundred sixty-four".