16970849894 has 32 divisors (see below), whose sum is σ = 27255800160. Its totient is φ = 7901107200.

The previous prime is 16970849881. The next prime is 16970849921. The reversal of 16970849894 is 49894807961.

It is a super-2 number, since 2×16970849894² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16970849894.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5267204 + ... + 5270424.

It is an arithmetic number, because the mean of its divisors is an integer number (851743755).

Almost surely, 2^16970849894 is an apocalyptic number.

16970849894 is a deficient number, since it is larger than the sum of its proper divisors (10284950266).

16970849894 is a wasteful number, since it uses less digits than its factorization.

16970849894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5576.

The product of its (nonzero) digits is 31352832, while the sum is 65.

The spelling of 16970849894 in words is "sixteen billion, nine hundred seventy million, eight hundred forty-nine thousand, eight hundred ninety-four".