68147090236 has 12 divisors (see below), whose sum is σ = 122030836312. Its totient is φ = 33281137008.

The previous prime is 68147090153. The next prime is 68147090257. The reversal of 68147090236 is 63209074186.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198101835 + ... + 198102178.

Almost surely, 2^68147090236 is an apocalyptic number.

It is an amenable number.

68147090236 is a deficient number, since it is larger than the sum of its proper divisors (53883746076).

68147090236 is a wasteful number, since it uses less digits than its factorization.

68147090236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396204060 (or 396204058 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 46.

The spelling of 68147090236 in words is "sixty-eight billion, one hundred forty-seven million, ninety thousand, two hundred thirty-six".