66868015482 has 16 divisors (see below), whose sum is σ = 148595590080. Its totient is φ = 22289338476.

The previous prime is 66868015477. The next prime is 66868015493. The reversal of 66868015482 is 28451086866.

66868015482 is a `hidden beast` number, since 6 + 6 + 86 + 80 + 1 + 5 + 482 = 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: 1238296583 = 66868015482 / (6 + 6 + 8 + 6 + 8 + 0 + 1 + 5 + 4 + 8 + 2).

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, 619148238 + ... + 619148345.

It is an arithmetic number, because the mean of its divisors is an integer number (9287224380).

Almost surely, 2^66868015482 is an apocalyptic number.

66868015482 is an abundant number, since it is smaller than the sum of its proper divisors (81727574598).

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

66868015482 is a wasteful number, since it uses less digits than its factorization.

66868015482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1238296594 (or 1238296588 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 54.

The spelling of 66868015482 in words is "sixty-six billion, eight hundred sixty-eight million, fifteen thousand, four hundred eighty-two".