16802508811 has 16 divisors (see below), whose sum is σ = 19305498240. Its totient is φ = 14462997120.

The previous prime is 16802508799. The next prime is 16802508839. The reversal of 16802508811 is 11880520861.

It is not a de Polignac number, because 16802508811 - 2²⁷ = 16668291083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16802508311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 369996 + ... + 412918.

It is an arithmetic number, because the mean of its divisors is an integer number (1206593640).

Almost surely, 2^16802508811 is an apocalyptic number.

16802508811 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

16802508811 is a deficient number, since it is larger than the sum of its proper divisors (2502989429).

16802508811 is a wasteful number, since it uses less digits than its factorization.

16802508811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44826.

The product of its (nonzero) digits is 30720, while the sum is 40.

The spelling of 16802508811 in words is "sixteen billion, eight hundred two million, five hundred eight thousand, eight hundred eleven".