445387164466 has 8 divisors (see below), whose sum is σ = 689631738624. Its totient is φ = 215509918260.

The previous prime is 445387164457. The next prime is 445387164479. The reversal of 445387164466 is 664461783544.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 445387164466.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3591831910 + ... + 3591832033.

It is an arithmetic number, because the mean of its divisors is an integer number (86203967328).

Almost surely, 2^445387164466 is an apocalyptic number.

445387164466 is a deficient number, since it is larger than the sum of its proper divisors (244244574158).

445387164466 is a wasteful number, since it uses less digits than its factorization.

445387164466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7183663976.

The product of its digits is 46448640, while the sum is 58.

The spelling of 445387164466 in words is "four hundred forty-five billion, three hundred eighty-seven million, one hundred sixty-four thousand, four hundred sixty-six".