16461912786 has 24 divisors (see below), whose sum is σ = 36188999952. Its totient is φ = 4988458200.

The previous prime is 16461912781. The next prime is 16461912809. The reversal of 16461912786 is 68721916461.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16461912781) 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 11 ways as a sum of consecutive naturals, for example, 11336680 + ... + 11338131.

It is an arithmetic number, because the mean of its divisors is an integer number (1507874998).

Almost surely, 2^16461912786 is an apocalyptic number.

16461912786 is an abundant number, since it is smaller than the sum of its proper divisors (19727087166).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16461912786 is a wasteful number, since it uses less digits than its factorization.

16461912786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22674838 (or 22674827 counting only the distinct ones).

The product of its digits is 870912, while the sum is 51.

The spelling of 16461912786 in words is "sixteen billion, four hundred sixty-one million, nine hundred twelve thousand, seven hundred eighty-six".