66100404652226 has 8 divisors (see below), whose sum is σ = 113314979403840. Its totient is φ = 28328744850948.

The previous prime is 66100404652207. The next prime is 66100404652277. The reversal of 66100404652226 is 62225640400166.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2360728737566 + ... + 2360728737593.

It is an arithmetic number, because the mean of its divisors is an integer number (14164372425480).

Almost surely, 2^{66100404652226} is an apocalyptic number.

66100404652226 is a deficient number, since it is larger than the sum of its proper divisors (47214574751614).

66100404652226 is a wasteful number, since it uses less digits than its factorization.

66100404652226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4721457475168.

The product of its (nonzero) digits is 829440, while the sum is 44.

The spelling of 66100404652226 in words is "sixty-six trillion, one hundred billion, four hundred four million, six hundred fifty-two thousand, two hundred twenty-six".