67967516394 has 32 divisors (see below), whose sum is σ = 151273899840. Its totient is φ = 22620592656.

The previous prime is 67967516389. The next prime is 67967516401. The reversal of 67967516394 is 49361576976.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 944017 + ... + 1013460.

It is an arithmetic number, because the mean of its divisors is an integer number (4727309370).

Almost surely, 2^67967516394 is an apocalyptic number.

67967516394 is an abundant number, since it is smaller than the sum of its proper divisors (83306383446).

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

67967516394 is a wasteful number, since it uses less digits than its factorization.

67967516394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1958131 (or 1958125 counting only the distinct ones).

The product of its digits is 51438240, while the sum is 63.

The spelling of 67967516394 in words is "sixty-seven billion, nine hundred sixty-seven million, five hundred sixteen thousand, three hundred ninety-four".