1604234446636 has 12 divisors (see below), whose sum is σ = 2807426015128. Its totient is φ = 802112728032.

The previous prime is 1604234446609. The next prime is 1604234446663. The reversal of 1604234446636 is 6366444324061.

It is an interprime number because it is at equal distance from previous prime (1604234446609) and next prime (1604234446663).

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1604234446636.

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, 244401 + ... + 1807816.

Almost surely, 2^{1604234446636} is an apocalyptic number.

It is an amenable number.

1604234446636 is a deficient number, since it is larger than the sum of its proper divisors (1203191568492).

1604234446636 is a wasteful number, since it uses less digits than its factorization.

1604234446636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2247648 (or 2247646 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 49.

The spelling of 1604234446636 in words is "one trillion, six hundred four billion, two hundred thirty-four million, four hundred forty-six thousand, six hundred thirty-six".