66502096874 has 4 divisors (see below), whose sum is σ = 99753145314. Its totient is φ = 33251048436.

The previous prime is 66502096873. The next prime is 66502096907. The reversal of 66502096874 is 47869020566.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 51272809225 + 15229287649 = 226435^2 + 123407^2 .

It is a super-3 number, since 3×66502096874³ (a number of 33 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (66502096873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16625524217 + ... + 16625524220.

Almost surely, 2^66502096874 is an apocalyptic number.

66502096874 is a deficient number, since it is larger than the sum of its proper divisors (33251048440).

66502096874 is a wasteful number, since it uses less digits than its factorization.

66502096874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33251048439.

The product of its (nonzero) digits is 4354560, while the sum is 53.

The spelling of 66502096874 in words is "sixty-six billion, five hundred two million, ninety-six thousand, eight hundred seventy-four".