16772781892 has 12 divisors (see below), whose sum is σ = 29506046976. Its totient is φ = 8342482760.

The previous prime is 16772781871. The next prime is 16772781913. The reversal of 16772781892 is 29818727761.

It is an interprime number because it is at equal distance from previous prime (16772781871) and next prime (16772781913).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10976188 + ... + 10977715.

It is an arithmetic number, because the mean of its divisors is an integer number (2458837248).

Almost surely, 2^16772781892 is an apocalyptic number.

It is an amenable number.

16772781892 is a deficient number, since it is larger than the sum of its proper divisors (12733265084).

16772781892 is a wasteful number, since it uses less digits than its factorization.

16772781892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21954098 (or 21954096 counting only the distinct ones).

The product of its digits is 4741632, while the sum is 58.

The spelling of 16772781892 in words is "sixteen billion, seven hundred seventy-two million, seven hundred eighty-one thousand, eight hundred ninety-two".