66198002610 has 32 divisors (see below), whose sum is σ = 158882731200. Its totient is φ = 17651964608.

The previous prime is 66198002603. The next prime is 66198002681. The reversal of 66198002610 is 1620089166.

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, 843316 + ... + 918464.

It is an arithmetic number, because the mean of its divisors is an integer number (4965085350).

Almost surely, 2^66198002610 is an apocalyptic number.

66198002610 is an abundant number, since it is smaller than the sum of its proper divisors (92684728590).

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

66198002610 is a wasteful number, since it uses less digits than its factorization.

66198002610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104522.

The product of its (nonzero) digits is 31104, while the sum is 39.

The spelling of 66198002610 in words is "sixty-six billion, one hundred ninety-eight million, two thousand, six hundred ten".