16776282361 has 4 divisors (see below), whose sum is σ = 16776692352. Its totient is φ = 16775872372.

The previous prime is 16776282331. The next prime is 16776282377. The reversal of 16776282361 is 16328267761.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16776282361 - 2⁷ = 16776282233 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16776282311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135841 + ... + 228046.

It is an arithmetic number, because the mean of its divisors is an integer number (4194173088).

Almost surely, 2^16776282361 is an apocalyptic number.

It is an amenable number.

16776282361 is a deficient number, since it is larger than the sum of its proper divisors (409991).

16776282361 is an equidigital number, since it uses as much as digits as its factorization.

16776282361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409990.

The product of its digits is 1016064, while the sum is 49.

The spelling of 16776282361 in words is "sixteen billion, seven hundred seventy-six million, two hundred eighty-two thousand, three hundred sixty-one".