16783421092 has 6 divisors (see below), whose sum is σ = 29370986918. Its totient is φ = 8391710544.

The previous prime is 16783421089. The next prime is 16783421131. The reversal of 16783421092 is 29012438761.

It can be written as a sum of positive squares in only one way, i.e., 16011359296 + 772061796 = 126536^2 + 27786^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2097927633 + ... + 2097927640.

Almost surely, 2^16783421092 is an apocalyptic number.

It is an amenable number.

16783421092 is a deficient number, since it is larger than the sum of its proper divisors (12587565826).

16783421092 is a wasteful number, since it uses less digits than its factorization.

16783421092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4195855277 (or 4195855275 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 43.

The spelling of 16783421092 in words is "sixteen billion, seven hundred eighty-three million, four hundred twenty-one thousand, ninety-two".