67796615133 has 24 divisors (see below), whose sum is σ = 105836760120. Its totient is φ = 41572500480.

The previous prime is 67796615123. The next prime is 67796615191. The reversal of 67796615133 is 33151669776.

67796615133 is a `hidden beast` number, since 6 + 7 + 7 + 9 + 6 + 615 + 13 + 3 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 7035351129 + 60761264004 = 83877^2 + 246498^2 .

It is not a de Polignac number, because 67796615133 - 2⁸ = 67796614877 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 67796615133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67796615123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 998188 + ... + 1063941.

It is an arithmetic number, because the mean of its divisors is an integer number (4409865005).

Almost surely, 2^67796615133 is an apocalyptic number.

It is an amenable number.

67796615133 is a deficient number, since it is larger than the sum of its proper divisors (38040144987).

67796615133 is a wasteful number, since it uses less digits than its factorization.

67796615133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2062429 (or 2062426 counting only the distinct ones).

The product of its digits is 4286520, while the sum is 54.

The spelling of 67796615133 in words is "sixty-seven billion, seven hundred ninety-six million, six hundred fifteen thousand, one hundred thirty-three".