1662433196664 has 64 divisors (see below), whose sum is σ = 4303917879840. Its totient is φ = 534775887360.

The previous prime is 1662433196659. The next prime is 1662433196687. The reversal of 1662433196664 is 4666913342661.

It is a congruent number.

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, 10635067 + ... + 10790250.

Almost surely, 2^{1662433196664} is an apocalyptic number.

It is an amenable number.

1662433196664 is an abundant number, since it is smaller than the sum of its proper divisors (2641484683176).

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

1662433196664 is a wasteful number, since it uses less digits than its factorization.

1662433196664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21425440 (or 21425436 counting only the distinct ones).

The product of its digits is 20155392, while the sum is 57.

The spelling of 1662433196664 in words is "one trillion, six hundred sixty-two billion, four hundred thirty-three million, one hundred ninety-six thousand, six hundred sixty-four".