66572674151 has 4 divisors (see below), whose sum is σ = 66574524192. Its totient is φ = 66570824112.

The previous prime is 66572674109. The next prime is 66572674171. The reversal of 66572674151 is 15147627566.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 66572674151 - 2²² = 66568479847 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 66572674151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66572674171) 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, 869951 + ... + 943376.

It is an arithmetic number, because the mean of its divisors is an integer number (16643631048).

Almost surely, 2^66572674151 is an apocalyptic number.

66572674151 is a deficient number, since it is larger than the sum of its proper divisors (1850041).

66572674151 is a wasteful number, since it uses less digits than its factorization.

66572674151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1850040.

The product of its digits is 2116800, while the sum is 50.

The spelling of 66572674151 in words is "sixty-six billion, five hundred seventy-two million, six hundred seventy-four thousand, one hundred fifty-one".