66367284 has 24 divisors (see below), whose sum is σ = 155258208. Its totient is φ = 22065120.

The previous prime is 66367277. The next prime is 66367291. The reversal of 66367284 is 48276366.

It is an interprime number because it is at equal distance from previous prime (66367277) and next prime (66367291).

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, 2202 + ... + 11729.

It is an arithmetic number, because the mean of its divisors is an integer number (6469092).

Almost surely, 2^66367284 is an apocalyptic number.

It is an amenable number.

66367284 is an abundant number, since it is smaller than the sum of its proper divisors (88890924).

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

66367284 is a wasteful number, since it uses less digits than its factorization.

66367284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14335 (or 14333 counting only the distinct ones).

The product of its digits is 290304, while the sum is 42.

The square root of 66367284 is about 8146.6118110537. The cubic root of 66367284 is about 404.8722535677.

The spelling of 66367284 in words is "sixty-six million, three hundred sixty-seven thousand, two hundred eighty-four".