66314446 has 16 divisors (see below), whose sum is σ = 114226560. Its totient is φ = 28556280.

The previous prime is 66314429. The next prime is 66314453. The reversal of 66314446 is 64441366.

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, 78906 + ... + 79741.

It is an arithmetic number, because the mean of its divisors is an integer number (7139160).

Almost surely, 2^66314446 is an apocalyptic number.

66314446 is a deficient number, since it is larger than the sum of its proper divisors (47912114).

66314446 is a wasteful number, since it uses less digits than its factorization.

66314446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158679.

The product of its digits is 41472, while the sum is 34.

The square root of 66314446 is about 8143.3682220565. The cubic root of 66314446 is about 404.7647793295.

Subtracting from 66314446 its reverse (64441366), we obtain a triangular number (1873080 = T₁₉₃₅).

The spelling of 66314446 in words is "sixty-six million, three hundred fourteen thousand, four hundred forty-six".