16463805785 has 32 divisors (see below), whose sum is σ = 23151889152. Its totient is φ = 11005712640.

The previous prime is 16463805773. The next prime is 16463805797. The reversal of 16463805785 is 58750836461.

It is an interprime number because it is at equal distance from previous prime (16463805773) and next prime (16463805797).

It is not a de Polignac number, because 16463805785 - 2¹⁴ = 16463789401 is a prime.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 262970 + ... + 319500.

It is an arithmetic number, because the mean of its divisors is an integer number (723496536).

Almost surely, 2^16463805785 is an apocalyptic number.

It is an amenable number.

16463805785 is a deficient number, since it is larger than the sum of its proper divisors (6688083367).

16463805785 is a wasteful number, since it uses less digits than its factorization.

16463805785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56753.

The product of its (nonzero) digits is 4838400, while the sum is 53.

The spelling of 16463805785 in words is "sixteen billion, four hundred sixty-three million, eight hundred five thousand, seven hundred eighty-five".