66672502274 has 16 divisors (see below), whose sum is σ = 114317222208. Its totient is φ = 28568553552.

The previous prime is 66672502213. The next prime is 66672502279. The reversal of 66672502274 is 47220527666.

It is a super-3 number, since 3×66672502274³ (a number of 33 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (66672502279) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 370469 + ... + 520184.

It is an arithmetic number, because the mean of its divisors is an integer number (7144826388).

Almost surely, 2^66672502274 is an apocalyptic number.

66672502274 is a deficient number, since it is larger than the sum of its proper divisors (47644719934).

66672502274 is a wasteful number, since it uses less digits than its factorization.

66672502274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896009.

The product of its (nonzero) digits is 1693440, while the sum is 47.

The spelling of 66672502274 in words is "sixty-six billion, six hundred seventy-two million, five hundred two thousand, two hundred seventy-four".