16970123805 has 16 divisors (see below), whose sum is σ = 27260380224. Its totient is φ = 9014672000.

The previous prime is 16970123801. The next prime is 16970123813. The reversal of 16970123805 is 50832107961.

It is not a de Polignac number, because 16970123805 - 2² = 16970123801 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16970123801) 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, 2249904 + ... + 2257433.

It is an arithmetic number, because the mean of its divisors is an integer number (1703773764).

Almost surely, 2^16970123805 is an apocalyptic number.

16970123805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16970123805 is a deficient number, since it is larger than the sum of its proper divisors (10290256419).

16970123805 is a wasteful number, since it uses less digits than its factorization.

16970123805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4507596.

The product of its (nonzero) digits is 90720, while the sum is 42.

The spelling of 16970123805 in words is "sixteen billion, nine hundred seventy million, one hundred twenty-three thousand, eight hundred five".