66326146 has 16 divisors (see below), whose sum is σ = 106047360. Its totient is φ = 31003200.

The previous prime is 66326107. The next prime is 66326149. The reversal of 66326146 is 64162366.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (66326149) 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, 1326 + ... + 11593.

It is an arithmetic number, because the mean of its divisors is an integer number (6627960).

Almost surely, 2^66326146 is an apocalyptic number.

66326146 is a deficient number, since it is larger than the sum of its proper divisors (39721214).

66326146 is a wasteful number, since it uses less digits than its factorization.

66326146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13089.

The product of its digits is 31104, while the sum is 34.

The square root of 66326146 is about 8144.0865663376. The cubic root of 66326146 is about 404.7885824359.

The spelling of 66326146 in words is "sixty-six million, three hundred twenty-six thousand, one hundred forty-six".