66307142498 has 12 divisors (see below), whose sum is σ = 101945757570. Its totient is φ = 32344945920.

The previous prime is 66307142477. The next prime is 66307142513. The reversal of 66307142498 is 89424170366.

It can be written as a sum of positive squares in 3 ways, for example, as 28226352049 + 38080790449 = 168007^2 + 195143^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9857903 + ... + 9864626.

Almost surely, 2^66307142498 is an apocalyptic number.

66307142498 is a deficient number, since it is larger than the sum of its proper divisors (35638615072).

66307142498 is a wasteful number, since it uses less digits than its factorization.

66307142498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19722613 (or 19722572 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 50.

The spelling of 66307142498 in words is "sixty-six billion, three hundred seven million, one hundred forty-two thousand, four hundred ninety-eight".