66117336 has 16 divisors (see below), whose sum is σ = 165293400. Its totient is φ = 22039104.

The previous prime is 66117323. The next prime is 66117349. The reversal of 66117336 is 63371166.

It is an interprime number because it is at equal distance from previous prime (66117323) and next prime (66117349).

It is a junction number, because it is equal to n+sod(n) for n = 66117297 and 66117306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1377421 + ... + 1377468.

Almost surely, 2^66117336 is an apocalyptic number.

It is an amenable number.

66117336 is an abundant number, since it is smaller than the sum of its proper divisors (99176064).

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

66117336 is a wasteful number, since it uses less digits than its factorization.

66117336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2754898 (or 2754894 counting only the distinct ones).

The product of its digits is 13608, while the sum is 33.

The square root of 66117336 is about 8131.2567294361. The cubic root of 66117336 is about 404.3633466140.

The spelling of 66117336 in words is "sixty-six million, one hundred seventeen thousand, three hundred thirty-six".