16856063610670 has 16 divisors (see below), whose sum is σ = 30430946892528. Its totient is φ = 6722418245760.

The previous prime is 16856063610667. The next prime is 16856063610709. The reversal of 16856063610670 is 7601636065861.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2500896276 + ... + 2500903015.

It is an arithmetic number, because the mean of its divisors is an integer number (1901934180783).

Almost surely, 2^{16856063610670} is an apocalyptic number.

16856063610670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16856063610670 is a deficient number, since it is larger than the sum of its proper divisors (13574883281858).

16856063610670 is a wasteful number, since it uses less digits than its factorization.

16856063610670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5001799635.

The product of its (nonzero) digits is 6531840, while the sum is 55.

The spelling of 16856063610670 in words is "sixteen trillion, eight hundred fifty-six billion, sixty-three million, six hundred ten thousand, six hundred seventy".