33868136158 has 16 divisors (see below), whose sum is σ = 53504249040. Its totient is φ = 16034328000.

The previous prime is 33868136131. The next prime is 33868136207. The reversal of 33868136158 is 85163186833.

It is a super-2 number, since 2×33868136158² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 162183 + ... + 306658.

It is an arithmetic number, because the mean of its divisors is an integer number (3344015565).

Almost surely, 2^33868136158 is an apocalyptic number.

33868136158 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

33868136158 is a deficient number, since it is larger than the sum of its proper divisors (19636112882).

33868136158 is a wasteful number, since it uses less digits than its factorization.

33868136158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470763.

The product of its digits is 2488320, while the sum is 52.

The spelling of 33868136158 in words is "thirty-three billion, eight hundred sixty-eight million, one hundred thirty-six thousand, one hundred fifty-eight".