33081713136 has 60 divisors (see below), whose sum is σ = 92600995032. Its totient is φ = 11025076608.

The previous prime is 33081713117. The next prime is 33081713153. The reversal of 33081713136 is 63131718033.

It is a happy number.

33081713136 is a `hidden beast` number, since 330 + 8 + 1 + 7 + 1 + 313 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 33081713136.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 825270 + ... + 864426.

Almost surely, 2^33081713136 is an apocalyptic number.

33081713136 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

33081713136 is an abundant number, since it is smaller than the sum of its proper divisors (59519281896).

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

33081713136 is a wasteful number, since it uses less digits than its factorization.

33081713136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45038 (or 45029 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The spelling of 33081713136 in words is "thirty-three billion, eighty-one million, seven hundred thirteen thousand, one hundred thirty-six".