16806065085782 has 12 divisors (see below), whose sum is σ = 29324868670260. Its totient is φ = 7202599322436.

The previous prime is 16806065085781. The next prime is 16806065085809. The reversal of 16806065085782 is 28758056060861.

It is a happy number.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16806065085781) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 85745229932 + ... + 85745230127.

It is an arithmetic number, because the mean of its divisors is an integer number (2443739055855).

Almost surely, 2^{16806065085782} is an apocalyptic number.

16806065085782 is a deficient number, since it is larger than the sum of its proper divisors (12518803584478).

16806065085782 is a wasteful number, since it uses less digits than its factorization.

16806065085782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171490460075 (or 171490460068 counting only the distinct ones).

The product of its (nonzero) digits is 38707200, while the sum is 62.

The spelling of 16806065085782 in words is "sixteen trillion, eight hundred six billion, sixty-five million, eighty-five thousand, seven hundred eighty-two".