33660130 has 32 divisors (see below), whose sum is σ = 70286976. Its totient is φ = 11366784.

The previous prime is 33660113. The next prime is 33660157. The reversal of 33660130 is 3106633.

It is a happy number.

It is a super-2 number, since 2×33660130² = 2266008703233800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1102 + ... + 8278.

It is an arithmetic number, because the mean of its divisors is an integer number (2196468).

Almost surely, 2^33660130 is an apocalyptic number.

33660130 is an abundant number, since it is smaller than the sum of its proper divisors (36626846).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33660130 is a wasteful number, since it uses less digits than its factorization.

33660130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7258.

The product of its (nonzero) digits is 972, while the sum is 22.

The square root of 33660130 is about 5801.7350852999. The cubic root of 33660130 is about 322.8781054937.

Adding to 33660130 its reverse (3106633), we get a palindrome (36766763).

The spelling of 33660130 in words is "thirty-three million, six hundred sixty thousand, one hundred thirty".