68156034273 has 12 divisors (see below), whose sum is σ = 98449894608. Its totient is φ = 45436299480.

The previous prime is 68156034263. The next prime is 68156034293. The reversal of 68156034273 is 37243065186.

68156034273 is a `hidden beast` number, since 6 + 8 + 15 + 603 + 4 + 27 + 3 = 666.

It is not a de Polignac number, because 68156034273 - 2⁵ = 68156034241 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (68156034203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 620518 + ... + 722048.

It is an arithmetic number, because the mean of its divisors is an integer number (8204157884).

Almost surely, 2^68156034273 is an apocalyptic number.

It is an amenable number.

68156034273 is a deficient number, since it is larger than the sum of its proper divisors (30293860335).

68156034273 is a wasteful number, since it uses less digits than its factorization.

68156034273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176124 (or 176121 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The spelling of 68156034273 in words is "sixty-eight billion, one hundred fifty-six million, thirty-four thousand, two hundred seventy-three".