16985672446 has 8 divisors (see below), whose sum is σ = 25482867480. Its totient is φ = 8491383288.

The previous prime is 16985672443. The next prime is 16985672449. The reversal of 16985672446 is 64427658961.

It is an interprime number because it is at equal distance from previous prime (16985672443) and next prime (16985672449).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16985672441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 711796 + ... + 735271.

It is an arithmetic number, because the mean of its divisors is an integer number (3185358435).

Almost surely, 2^16985672446 is an apocalyptic number.

16985672446 is a deficient number, since it is larger than the sum of its proper divisors (8497195034).

16985672446 is a wasteful number, since it uses less digits than its factorization.

16985672446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1452938.

The product of its digits is 17418240, while the sum is 58.

The spelling of 16985672446 in words is "sixteen billion, nine hundred eighty-five million, six hundred seventy-two thousand, four hundred forty-six".