66014008 has 8 divisors (see below), whose sum is σ = 123776280. Its totient is φ = 33007000.

The previous prime is 66013949. The next prime is 66014027. The reversal of 66014008 is 80041066.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4125868 + ... + 4125883.

It is an arithmetic number, because the mean of its divisors is an integer number (15472035).

Almost surely, 2^66014008 is an apocalyptic number.

It is an amenable number.

66014008 is a deficient number, since it is larger than the sum of its proper divisors (57762272).

66014008 is a wasteful number, since it uses less digits than its factorization.

66014008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8251757 (or 8251753 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 66014008 is about 8124.9004916983. The cubic root of 66014008 is about 404.1525907924.

It can be divided in two parts, 6601 and 4008, that added together give a square (10609 = 103²).

The spelling of 66014008 in words is "sixty-six million, fourteen thousand, eight".