66345354 has 24 divisors (see below), whose sum is σ = 144162720. Its totient is φ = 22051368.

The previous prime is 66345313. The next prime is 66345361. The reversal of 66345354 is 45354366.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1329 + ... + 11595.

It is an arithmetic number, because the mean of its divisors is an integer number (6006780).

Almost surely, 2^66345354 is an apocalyptic number.

66345354 is an abundant number, since it is smaller than the sum of its proper divisors (77817366).

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

66345354 is a wasteful number, since it uses less digits than its factorization.

66345354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10634 (or 10631 counting only the distinct ones).

The product of its digits is 129600, while the sum is 36.

The square root of 66345354 is about 8145.2657415213. The cubic root of 66345354 is about 404.8276541500.

The spelling of 66345354 in words is "sixty-six million, three hundred forty-five thousand, three hundred fifty-four".