16462631666 has 64 divisors (see below), whose sum is σ = 29190883680. Its totient is φ = 6889881600.

The previous prime is 16462631663. The next prime is 16462631671. The reversal of 16462631666 is 66613626461.

It can be written as a sum of positive squares in 16 ways, for example, as 1081423225 + 15381208441 = 32885^2 + 124021^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 16462631666.

It is not an unprimeable number, because it can be changed into a prime (16462631663) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7702550 + ... + 7704686.

Almost surely, 2^16462631666 is an apocalyptic number.

16462631666 is a deficient number, since it is larger than the sum of its proper divisors (12728252014).

16462631666 is a wasteful number, since it uses less digits than its factorization.

16462631666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2799.

The product of its digits is 1119744, while the sum is 47.

The spelling of 16462631666 in words is "sixteen billion, four hundred sixty-two million, six hundred thirty-one thousand, six hundred sixty-six".