68923163625 has 32 divisors (see below), whose sum is σ = 114827007360. Its totient is φ = 36714513600.

The previous prime is 68923163623. The next prime is 68923163681. The reversal of 68923163625 is 52636132986.

It is not a de Polignac number, because 68923163625 - 2¹ = 68923163623 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (68923163623) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 200022 + ... + 421728.

It is an arithmetic number, because the mean of its divisors is an integer number (3588343980).

Almost surely, 2^68923163625 is an apocalyptic number.

It is an amenable number.

68923163625 is a deficient number, since it is larger than the sum of its proper divisors (45903843735).

68923163625 is a wasteful number, since it uses less digits than its factorization.

68923163625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222554 (or 222544 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 51.

The spelling of 68923163625 in words is "sixty-eight billion, nine hundred twenty-three million, one hundred sixty-three thousand, six hundred twenty-five".