16506065085782 has 32 divisors (see below), whose sum is σ = 26265724876512. Its totient is φ = 7752689086464.

The previous prime is 16506065085781. The next prime is 16506065085877. The reversal of 16506065085782 is 28758056060561.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16506065085781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90294938 + ... + 90477554.

It is an arithmetic number, because the mean of its divisors is an integer number (820803902391).

Almost surely, 2^{16506065085782} is an apocalyptic number.

16506065085782 is a deficient number, since it is larger than the sum of its proper divisors (9759659790730).

16506065085782 is a wasteful number, since it uses less digits than its factorization.

16506065085782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187712.

The product of its (nonzero) digits is 24192000, while the sum is 59.

The spelling of 16506065085782 in words is "sixteen trillion, five hundred six billion, sixty-five million, eighty-five thousand, seven hundred eighty-two".