66300157 has 16 divisors (see below), whose sum is σ = 84680064. Its totient is φ = 50400000.

The previous prime is 66300149. The next prime is 66300163. The reversal of 66300157 is 75100366.

It is not a de Polignac number, because 66300157 - 2³ = 66300149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66300167) 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, 7344 + ... + 13657.

It is an arithmetic number, because the mean of its divisors is an integer number (5292504).

Almost surely, 2^66300157 is an apocalyptic number.

It is an amenable number.

66300157 is a deficient number, since it is larger than the sum of its proper divisors (18379907).

66300157 is a wasteful number, since it uses less digits than its factorization.

66300157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21060.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 66300157 is about 8142.4908351192. The cubic root of 66300157 is about 404.7357052250.

The spelling of 66300157 in words is "sixty-six million, three hundred thousand, one hundred fifty-seven".