66574071023 has 8 divisors (see below), whose sum is σ = 67180604928. Its totient is φ = 65967842304.

The previous prime is 66574071001. The next prime is 66574071041. The reversal of 66574071023 is 32017047566.

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

It is a cyclic number.

It is not a de Polignac number, because 66574071023 - 2¹⁴ = 66574054639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66574071043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 374015 + ... + 522527.

It is an arithmetic number, because the mean of its divisors is an integer number (8397575616).

Almost surely, 2^66574071023 is an apocalyptic number.

66574071023 is a deficient number, since it is larger than the sum of its proper divisors (606533905).

66574071023 is a wasteful number, since it uses less digits than its factorization.

66574071023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152593.

The product of its (nonzero) digits is 211680, while the sum is 41.

The spelling of 66574071023 in words is "sixty-six billion, five hundred seventy-four million, seventy-one thousand, twenty-three".