66874594298 has 8 divisors (see below), whose sum is σ = 100325438292. Its totient is φ = 33432781536.

The previous prime is 66874594247. The next prime is 66874594333. The reversal of 66874594298 is 89249547866.

It can be written as a sum of positive squares in 2 ways, for example, as 64197877129 + 2676717169 = 253373^2 + 51737^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×66874594298² (a number of 22 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 2239265 + ... + 2268932.

Almost surely, 2^66874594298 is an apocalyptic number.

66874594298 is a deficient number, since it is larger than the sum of its proper divisors (33450843994).

66874594298 is a wasteful number, since it uses less digits than its factorization.

66874594298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4515616.

The product of its digits is 209018880, while the sum is 68.

The spelling of 66874594298 in words is "sixty-six billion, eight hundred seventy-four million, five hundred ninety-four thousand, two hundred ninety-eight".