33666670038 has 16 divisors (see below), whose sum is σ = 70877200320. Its totient is φ = 10631579976.

The previous prime is 33666670031. The next prime is 33666670043. The reversal of 33666670038 is 83007666633.

It is a super-2 number, since 2×33666670038² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33666670031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147660720 + ... + 147660947.

It is an arithmetic number, because the mean of its divisors is an integer number (4429825020).

Almost surely, 2^33666670038 is an apocalyptic number.

33666670038 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

33666670038 is an abundant number, since it is smaller than the sum of its proper divisors (37210530282).

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

33666670038 is a wasteful number, since it uses less digits than its factorization.

33666670038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295321691.

The product of its (nonzero) digits is 1959552, while the sum is 48.

The spelling of 33666670038 in words is "thirty-three billion, six hundred sixty-six million, six hundred seventy thousand, thirty-eight".