64666206602 has 16 divisors (see below), whose sum is σ = 108110687040. Its totient is φ = 28829515968.

The previous prime is 64666206593. The next prime is 64666206701. The reversal of 64666206602 is 20660266646.

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, 50050598 + ... + 50051889.

It is an arithmetic number, because the mean of its divisors is an integer number (6756917940).

Almost surely, 2^64666206602 is an apocalyptic number.

64666206602 is a deficient number, since it is larger than the sum of its proper divisors (43444480438).

64666206602 is a wasteful number, since it uses less digits than its factorization.

64666206602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100102525.

The product of its (nonzero) digits is 746496, while the sum is 44.

The spelling of 64666206602 in words is "sixty-four billion, six hundred sixty-six million, two hundred six thousand, six hundred two".