66875696298 has 24 divisors (see below), whose sum is σ = 144942341700. Its totient is φ = 22284975744.

The previous prime is 66875696281. The next prime is 66875696299. The reversal of 66875696298 is 89269657866.

It can be written as a sum of positive squares in 2 ways, for example, as 64946993409 + 1928702889 = 254847^2 + 43917^2 .

It is not an unprimeable number, because it can be changed into a prime (66875696299) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 517183 + ... + 633426.

Almost surely, 2^66875696298 is an apocalyptic number.

66875696298 is an abundant number, since it is smaller than the sum of its proper divisors (78066645402).

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

66875696298 is a wasteful number, since it uses less digits than its factorization.

66875696298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153846 (or 1153843 counting only the distinct ones).

The product of its digits is 470292480, while the sum is 72.

The spelling of 66875696298 in words is "sixty-six billion, eight hundred seventy-five million, six hundred ninety-six thousand, two hundred ninety-eight".