66113146 has 16 divisors (see below), whose sum is σ = 108789408. Its totient is φ = 29883600.

The previous prime is 66113143. The next prime is 66113147. The reversal of 66113146 is 64131166.

It is not an unprimeable number, because it can be changed into a prime (66113143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4320 + ... + 12283.

It is an arithmetic number, because the mean of its divisors is an integer number (6799338).

Almost surely, 2^66113146 is an apocalyptic number.

66113146 is a deficient number, since it is larger than the sum of its proper divisors (42676262).

66113146 is a wasteful number, since it uses less digits than its factorization.

66113146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16797.

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

The square root of 66113146 is about 8130.9990776042. Note that the first 3 decimals coincide. The cubic root of 66113146 is about 404.3548046374.

The spelling of 66113146 in words is "sixty-six million, one hundred thirteen thousand, one hundred forty-six".