33616872403 has 12 divisors (see below), whose sum is σ = 34762186200. Its totient is φ = 32507428032.

The previous prime is 33616872361. The next prime is 33616872469. The reversal of 33616872403 is 30427861633.

It is not a de Polignac number, because 33616872403 - 2¹⁷ = 33616741331 is a prime.

It is a super-2 number, since 2×33616872403² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 33616872403.

It is not an unprimeable number, because it can be changed into a prime (33616872103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 147823 + ... + 298471.

It is an arithmetic number, because the mean of its divisors is an integer number (2896848850).

Almost surely, 2^33616872403 is an apocalyptic number.

33616872403 is a deficient number, since it is larger than the sum of its proper divisors (1145313797).

33616872403 is a wasteful number, since it uses less digits than its factorization.

33616872403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150886 (or 150849 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 43.

The spelling of 33616872403 in words is "thirty-three billion, six hundred sixteen million, eight hundred seventy-two thousand, four hundred three".