66173002 has 16 divisors (see below), whose sum is σ = 113582592. Its totient is φ = 28324080.

The previous prime is 66172999. The next prime is 66173011. The reversal of 66173002 is 20037166.

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, 10663 + ... + 15685.

It is an arithmetic number, because the mean of its divisors is an integer number (7098912).

Almost surely, 2^66173002 is an apocalyptic number.

66173002 is a deficient number, since it is larger than the sum of its proper divisors (47409590).

66173002 is a wasteful number, since it uses less digits than its factorization.

66173002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5973.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 66173002 is about 8134.6789733830. The cubic root of 66173002 is about 404.4767963147.

The spelling of 66173002 in words is "sixty-six million, one hundred seventy-three thousand, two".