66314136 has 32 divisors (see below), whose sum is σ = 189469440. Its totient is φ = 18946848.

The previous prime is 66314119. The next prime is 66314141. The reversal of 66314136 is 63141366.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197196 + ... + 197531.

It is an arithmetic number, because the mean of its divisors is an integer number (5920920).

Almost surely, 2^66314136 is an apocalyptic number.

It is an amenable number.

66314136 is an abundant number, since it is smaller than the sum of its proper divisors (123155304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66314136 is a wasteful number, since it uses less digits than its factorization.

66314136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394743 (or 394739 counting only the distinct ones).

The product of its digits is 7776, while the sum is 30.

The square root of 66314136 is about 8143.3491881412. The cubic root of 66314136 is about 404.7641486108.

The spelling of 66314136 in words is "sixty-six million, three hundred fourteen thousand, one hundred thirty-six".