66466236 has 12 divisors (see below), whose sum is σ = 155087912. Its totient is φ = 22155408.

The previous prime is 66466223. The next prime is 66466249. The reversal of 66466236 is 63266466.

It is an interprime number because it is at equal distance from previous prime (66466223) and next prime (66466249).

It is a tau number, because it is divible by the number of its divisors (12).

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

It is a junction number, because it is equal to n+sod(n) for n = 66466194 and 66466203.

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, 2769415 + ... + 2769438.

Almost surely, 2^66466236 is an apocalyptic number.

It is an amenable number.

66466236 is an abundant number, since it is smaller than the sum of its proper divisors (88621676).

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

66466236 is a wasteful number, since it uses less digits than its factorization.

66466236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5538860 (or 5538858 counting only the distinct ones).

The product of its digits is 186624, while the sum is 39.

The square root of 66466236 is about 8152.6827486417. The cubic root of 66466236 is about 405.0733718615.

The spelling of 66466236 in words is "sixty-six million, four hundred sixty-six thousand, two hundred thirty-six".