66623162 has 16 divisors (see below), whose sum is σ = 103092480. Its totient is φ = 32267088.

The previous prime is 66623143. The next prime is 66623191. The reversal of 66623162 is 26132666.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15803 + ... + 19569.

It is an arithmetic number, because the mean of its divisors is an integer number (6443280).

Almost surely, 2^66623162 is an apocalyptic number.

66623162 is a deficient number, since it is larger than the sum of its proper divisors (36469318).

66623162 is a wasteful number, since it uses less digits than its factorization.

66623162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4045.

The product of its digits is 15552, while the sum is 32.

The square root of 66623162 is about 8162.3012686374. The cubic root of 66623162 is about 405.3919124553.

The spelling of 66623162 in words is "sixty-six million, six hundred twenty-three thousand, one hundred sixty-two".