66667014 has 12 divisors (see below), whose sum is σ = 144445236. Its totient is φ = 22222332.

The previous prime is 66666983. The next prime is 66667037. The reversal of 66667014 is 41076666.

It is a self number, because there is not a number n which added to its sum of digits gives 66667014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1851844 + ... + 1851879.

It is an arithmetic number, because the mean of its divisors is an integer number (12037103).

Almost surely, 2^66667014 is an apocalyptic number.

66667014 is an abundant number, since it is smaller than the sum of its proper divisors (77778222).

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

66667014 is a wasteful number, since it uses less digits than its factorization.

66667014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3703731 (or 3703728 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 66667014 is about 8164.9870789855. The cubic root of 66667014 is about 405.4808372208.

The spelling of 66667014 in words is "sixty-six million, six hundred sixty-seven thousand, fourteen".