68451654582 has 16 divisors (see below), whose sum is σ = 152114788080. Its totient is φ = 22817218176.

The previous prime is 68451654577. The next prime is 68451654619. The reversal of 68451654582 is 28545615486.

68451654582 is a `hidden beast` number, since 6 + 8 + 4 + 5 + 1 + 6 + 54 + 582 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 1267623233 = 68451654582 / (6 + 8 + 4 + 5 + 1 + 6 + 5 + 4 + 5 + 8 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 633811563 + ... + 633811670.

It is an arithmetic number, because the mean of its divisors is an integer number (9507174255).

Almost surely, 2^68451654582 is an apocalyptic number.

68451654582 is an abundant number, since it is smaller than the sum of its proper divisors (83663133498).

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

68451654582 is a wasteful number, since it uses less digits than its factorization.

68451654582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1267623244 (or 1267623238 counting only the distinct ones).

The product of its digits is 9216000, while the sum is 54.

The spelling of 68451654582 in words is "sixty-eight billion, four hundred fifty-one million, six hundred fifty-four thousand, five hundred eighty-two".