33151198690 has 16 divisors (see below), whose sum is σ = 60262972920. Its totient is φ = 13129187200.

The previous prime is 33151198673. The next prime is 33151198693. The reversal of 33151198690 is 9689115133.

It can be written as a sum of positive squares in 4 ways, for example, as 30509958241 + 2641240449 = 174671^2 + 51393^2 .

It is a super-2 number, since 2×33151198690² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33151198690.

It is not an unprimeable number, because it can be changed into a prime (33151198693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16410475 + ... + 16412494.

Almost surely, 2^33151198690 is an apocalyptic number.

33151198690 is a deficient number, since it is larger than the sum of its proper divisors (27111774230).

33151198690 is a wasteful number, since it uses less digits than its factorization.

33151198690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32823077.

The product of its (nonzero) digits is 174960, while the sum is 46.

The spelling of 33151198690 in words is "thirty-three billion, one hundred fifty-one million, one hundred ninety-eight thousand, six hundred ninety".