67142009896 has 16 divisors (see below), whose sum is σ = 135575212500. Its totient is φ = 30988619904.

The previous prime is 67142009887. The next prime is 67142009899. The reversal of 67142009896 is 69890024176.

It is a happy number.

67142009896 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 55184587396 + 11957422500 = 234914^2 + 109350^2 .

It is a Harshad number since it is a multiple of its sum of digits (52).

It is not an unprimeable number, because it can be changed into a prime (67142009899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322798021 + ... + 322798228.

Almost surely, 2^67142009896 is an apocalyptic number.

It is an amenable number.

67142009896 is an abundant number, since it is smaller than the sum of its proper divisors (68433202604).

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

67142009896 is a wasteful number, since it uses less digits than its factorization.

67142009896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645596268 (or 645596264 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 52.

The spelling of 67142009896 in words is "sixty-seven billion, one hundred forty-two million, nine thousand, eight hundred ninety-six".