67136366836 has 48 divisors (see below), whose sum is σ = 146552555520. Its totient is φ = 26143953120.

The previous prime is 67136366827. The next prime is 67136366863. The reversal of 67136366836 is 63866363176.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 574561 + ... + 681463.

It is an arithmetic number, because the mean of its divisors is an integer number (3053178240).

Almost surely, 2^67136366836 is an apocalyptic number.

It is an amenable number.

67136366836 is an abundant number, since it is smaller than the sum of its proper divisors (79416188684).

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

67136366836 is a wasteful number, since it uses less digits than its factorization.

67136366836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108964 (or 108962 counting only the distinct ones).

The product of its digits is 11757312, while the sum is 55.

The spelling of 67136366836 in words is "sixty-seven billion, one hundred thirty-six million, three hundred sixty-six thousand, eight hundred thirty-six".