33664945936 has 30 divisors (see below), whose sum is σ = 66350202782. Its totient is φ = 16547149440.

The previous prime is 33664945879. The next prime is 33664945943. The reversal of 33664945936 is 63954946633.

It can be written as a sum of positive squares in only one way, i.e., 33107985936 + 556960000 = 181956^2 + 23600^2 .

It is a super-2 number, since 2×33664945936² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 246525 + ... + 357916.

Almost surely, 2^33664945936 is an apocalyptic number.

It is an amenable number.

33664945936 is a deficient number, since it is larger than the sum of its proper divisors (32685256846).

33664945936 is an equidigital number, since it uses as much as digits as its factorization.

33664945936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604567 (or 604502 counting only the distinct ones).

The product of its digits is 37791360, while the sum is 58.

The spelling of 33664945936 in words is "thirty-three billion, six hundred sixty-four million, nine hundred forty-five thousand, nine hundred thirty-six".