66457014 has 16 divisors (see below), whose sum is σ = 143138352. Its totient is φ = 20448288.

The previous prime is 66456991. The next prime is 66457031. The reversal of 66457014 is 41075466.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 425929 + ... + 426084.

It is an arithmetic number, because the mean of its divisors is an integer number (8946147).

Almost surely, 2^66457014 is an apocalyptic number.

66457014 is an abundant number, since it is smaller than the sum of its proper divisors (76681338).

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

66457014 is a wasteful number, since it uses less digits than its factorization.

66457014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852031.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 66457014 is about 8152.1171483241. The cubic root of 66457014 is about 405.0546367380.

The spelling of 66457014 in words is "sixty-six million, four hundred fifty-seven thousand, fourteen".