66444162 has 32 divisors (see below), whose sum is σ = 139380480. Its totient is φ = 21087360.

The previous prime is 66444097. The next prime is 66444173. The reversal of 66444162 is 26144466.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10087 + ... + 15317.

It is an arithmetic number, because the mean of its divisors is an integer number (4355640).

Almost surely, 2^66444162 is an apocalyptic number.

66444162 is an abundant number, since it is smaller than the sum of its proper divisors (72936318).

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

66444162 is a wasteful number, since it uses less digits than its factorization.

66444162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5338.

The product of its digits is 27648, while the sum is 33.

The square root of 66444162 is about 8151.3288487215. The cubic root of 66444162 is about 405.0285241303.

The spelling of 66444162 in words is "sixty-six million, four hundred forty-four thousand, one hundred sixty-two".