66625730151 has 16 divisors (see below), whose sum is σ = 89441664000. Its totient is φ = 44113600800.

The previous prime is 66625730123. The next prime is 66625730173. The reversal of 66625730151 is 15103752666.

It is not a de Polignac number, because 66625730151 - 2¹⁰ = 66625729127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66625730851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2591506 + ... + 2617088.

It is an arithmetic number, because the mean of its divisors is an integer number (5590104000).

Almost surely, 2^66625730151 is an apocalyptic number.

66625730151 is a deficient number, since it is larger than the sum of its proper divisors (22815933849).

66625730151 is a wasteful number, since it uses less digits than its factorization.

66625730151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31486.

The product of its (nonzero) digits is 226800, while the sum is 42.

The spelling of 66625730151 in words is "sixty-six billion, six hundred twenty-five million, seven hundred thirty thousand, one hundred fifty-one".