66672854601 has 4 divisors (see below), whose sum is σ = 88897139472. Its totient is φ = 44448569732.

The previous prime is 66672854587. The next prime is 66672854603. The reversal of 66672854601 is 10645827666.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 66672854601 - 2⁶ = 66672854537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66672854603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11112142431 + ... + 11112142436.

It is an arithmetic number, because the mean of its divisors is an integer number (22224284868).

Almost surely, 2^66672854601 is an apocalyptic number.

It is an amenable number.

66672854601 is a deficient number, since it is larger than the sum of its proper divisors (22224284871).

66672854601 is a wasteful number, since it uses less digits than its factorization.

66672854601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22224284870.

The product of its (nonzero) digits is 2903040, while the sum is 51.

The spelling of 66672854601 in words is "sixty-six billion, six hundred seventy-two million, eight hundred fifty-four thousand, six hundred one".