66141874 has 8 divisors (see below), whose sum is σ = 99247788. Its totient is φ = 33059280.

The previous prime is 66141857. The next prime is 66141877. The reversal of 66141874 is 47814166.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 64689849 + 1452025 = 8043^2 + 1205^2 .

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

It is not an unprimeable number, because it can be changed into a prime (66141877) 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, 6364 + ... + 13144.

Almost surely, 2^66141874 is an apocalyptic number.

66141874 is a deficient number, since it is larger than the sum of its proper divisors (33105914).

66141874 is a wasteful number, since it uses less digits than its factorization.

66141874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11660.

The product of its digits is 32256, while the sum is 37.

The square root of 66141874 is about 8132.7654583174. The cubic root of 66141874 is about 404.4133639578.

The spelling of 66141874 in words is "sixty-six million, one hundred forty-one thousand, eight hundred seventy-four".