16494837777 has 48 divisors (see below), whose sum is σ = 26295077952. Its totient is φ = 9880940160.

The previous prime is 16494837743. The next prime is 16494837781. The reversal of 16494837777 is 77773849461.

16494837777 is a `hidden beast` number, since 1 + 6 + 494 + 8 + 3 + 77 + 77 = 666.

It is not a de Polignac number, because 16494837777 - 2¹⁰ = 16494836753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16494837787) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3059278 + ... + 3064664.

It is an arithmetic number, because the mean of its divisors is an integer number (547814124).

Almost surely, 2^16494837777 is an apocalyptic number.

It is an amenable number.

16494837777 is a deficient number, since it is larger than the sum of its proper divisors (9800240175).

16494837777 is a wasteful number, since it uses less digits than its factorization.

16494837777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5758 (or 5755 counting only the distinct ones).

The product of its digits is 49787136, while the sum is 63.

The spelling of 16494837777 in words is "sixteen billion, four hundred ninety-four million, eight hundred thirty-seven thousand, seven hundred seventy-seven".