16788870705 has 32 divisors (see below), whose sum is σ = 27451851264. Its totient is φ = 8757764096.

The previous prime is 16788870697. The next prime is 16788870713. The reversal of 16788870705 is 50707888761.

It is an interprime number because it is at equal distance from previous prime (16788870697) and next prime (16788870713).

It is a cyclic number.

It is not a de Polignac number, because 16788870705 - 2³ = 16788870697 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1189369 + ... + 1203401.

It is an arithmetic number, because the mean of its divisors is an integer number (857870352).

Almost surely, 2^16788870705 is an apocalyptic number.

16788870705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16788870705 is a deficient number, since it is larger than the sum of its proper divisors (10662980559).

16788870705 is a wasteful number, since it uses less digits than its factorization.

16788870705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15785.

The product of its (nonzero) digits is 5268480, while the sum is 57.

The spelling of 16788870705 in words is "sixteen billion, seven hundred eighty-eight million, eight hundred seventy thousand, seven hundred five".