100602405666 has 48 divisors (see below), whose sum is σ = 249209932608. Its totient is φ = 28732096800.

The previous prime is 100602405649. The next prime is 100602405679. The reversal of 100602405666 is 666504206001.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 100602405666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 161176 + ... + 476636.

It is an arithmetic number, because the mean of its divisors is an integer number (5191873596).

Almost surely, 2^100602405666 is an apocalyptic number.

100602405666 is an abundant number, since it is smaller than the sum of its proper divisors (148607526942).

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

100602405666 is a wasteful number, since it uses less digits than its factorization.

100602405666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318007 (or 318004 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 100602405666 in words is "one hundred billion, six hundred two million, four hundred five thousand, six hundred sixty-six".