16318780786 has 16 divisors (see below), whose sum is σ = 30518239680. Its totient is φ = 6357966480.

The previous prime is 16318780783. The next prime is 16318780789. The reversal of 16318780786 is 68708781361.

It is an interprime number because it is at equal distance from previous prime (16318780783) and next prime (16318780789).

It is not an unprimeable number, because it can be changed into a prime (16318780783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52982901 + ... + 52983208.

It is an arithmetic number, because the mean of its divisors is an integer number (1907389980).

Almost surely, 2^16318780786 is an apocalyptic number.

16318780786 is a deficient number, since it is larger than the sum of its proper divisors (14199458894).

16318780786 is a wasteful number, since it uses less digits than its factorization.

16318780786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105966129.

The product of its (nonzero) digits is 2709504, while the sum is 55.

The spelling of 16318780786 in words is "sixteen billion, three hundred eighteen million, seven hundred eighty thousand, seven hundred eighty-six".