66948014 has 12 divisors (see below), whose sum is σ = 116817624. Its totient is φ = 28691964.

The previous prime is 66947999. The next prime is 66948029. The reversal of 66948014 is 41084966.

It is an interprime number because it is at equal distance from previous prime (66947999) and next prime (66948029).

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, 341474 + ... + 341669.

It is an arithmetic number, because the mean of its divisors is an integer number (9734802).

Almost surely, 2^66948014 is an apocalyptic number.

66948014 is a deficient number, since it is larger than the sum of its proper divisors (49869610).

66948014 is a wasteful number, since it uses less digits than its factorization.

66948014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683159 (or 683152 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 66948014 is about 8182.1766052805. The cubic root of 66948014 is about 406.0497362771.

The spelling of 66948014 in words is "sixty-six million, nine hundred forty-eight thousand, fourteen".