66113416 has 16 divisors (see below), whose sum is σ = 124070400. Its totient is φ = 33027984.

The previous prime is 66113363. The next prime is 66113449. The reversal of 66113416 is 61431166.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8641 + ... + 14383.

It is an arithmetic number, because the mean of its divisors is an integer number (7754400).

Almost surely, 2^66113416 is an apocalyptic number.

It is an amenable number.

66113416 is a deficient number, since it is larger than the sum of its proper divisors (57956984).

66113416 is a wasteful number, since it uses less digits than its factorization.

66113416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7188 (or 7184 counting only the distinct ones).

The product of its digits is 2592, while the sum is 28.

The square root of 66113416 is about 8131.0156807130. The cubic root of 66113416 is about 404.3553550859.

The spelling of 66113416 in words is "sixty-six million, one hundred thirteen thousand, four hundred sixteen".