66246330 has 32 divisors (see below), whose sum is σ = 159283584. Its totient is φ = 17633216.

The previous prime is 66246329. The next prime is 66246347. The reversal of 66246330 is 3364266.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17704 + ... + 21116.

It is an arithmetic number, because the mean of its divisors is an integer number (4977612).

Almost surely, 2^66246330 is an apocalyptic number.

66246330 is an abundant number, since it is smaller than the sum of its proper divisors (93037254).

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

66246330 is a wasteful number, since it uses less digits than its factorization.

66246330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4070.

The product of its (nonzero) digits is 15552, while the sum is 30.

The square root of 66246330 is about 8139.1848486197. The cubic root of 66246330 is about 404.6261448652.

The spelling of 66246330 in words is "sixty-six million, two hundred forty-six thousand, three hundred thirty".