66365464 has 16 divisors (see below), whose sum is σ = 135747720. Its totient is φ = 30166080.

The previous prime is 66365459. The next prime is 66365473. The reversal of 66365464 is 46456366.

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, 376989 + ... + 377164.

Almost surely, 2^66365464 is an apocalyptic number.

It is an amenable number.

66365464 is an abundant number, since it is smaller than the sum of its proper divisors (69382256).

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

66365464 is a wasteful number, since it uses less digits than its factorization.

66365464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754170 (or 754166 counting only the distinct ones).

The product of its digits is 311040, while the sum is 40.

The square root of 66365464 is about 8146.5001074081. The cubic root of 66365464 is about 404.8685525763.

It can be divided in two parts, 6636 and 5464, that added together give a square (12100 = 110²).

The spelling of 66365464 in words is "sixty-six million, three hundred sixty-five thousand, four hundred sixty-four".