66672602531474 has 16 divisors (see below), whose sum is σ = 103458407699520. Its totient is φ = 32186487098640.

The previous prime is 66672602531449. The next prime is 66672602531569. The reversal of 66672602531474 is 47413520627666.

It is a super-2 number, since 2×66672602531474² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1528337 + ... + 11648219.

It is an arithmetic number, because the mean of its divisors is an integer number (6466150481220).

Almost surely, 2^{66672602531474} is an apocalyptic number.

66672602531474 is a deficient number, since it is larger than the sum of its proper divisors (36785805168046).

66672602531474 is a wasteful number, since it uses less digits than its factorization.

66672602531474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10233505.

The product of its (nonzero) digits is 60963840, while the sum is 59.

The spelling of 66672602531474 in words is "sixty-six trillion, six hundred seventy-two billion, six hundred two million, five hundred thirty-one thousand, four hundred seventy-four".