68527966545 has 64 divisors (see below), whose sum is σ = 122653440000. Its totient is φ = 36301333248.

The previous prime is 68527966523. The next prime is 68527966547. The reversal of 68527966545 is 54566972586.

It is a happy number.

68527966545 is a `hidden beast` number, since 6 + 8 + 5 + 27 + 9 + 66 + 545 = 666.

It is not a de Polignac number, because 68527966545 - 2⁵ = 68527966513 is a prime.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (68527966547) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12671232 + ... + 12676638.

It is an arithmetic number, because the mean of its divisors is an integer number (1916460000).

Almost surely, 2^68527966545 is an apocalyptic number.

It is an amenable number.

68527966545 is a deficient number, since it is larger than the sum of its proper divisors (54125473455).

68527966545 is a wasteful number, since it uses less digits than its factorization.

68527966545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6039 (or 6033 counting only the distinct ones).

The product of its digits is 108864000, while the sum is 63.

The spelling of 68527966545 in words is "sixty-eight billion, five hundred twenty-seven million, nine hundred sixty-six thousand, five hundred forty-five".