16820696196 has 36 divisors (see below), whose sum is σ = 44093761712. Its totient is φ = 5606898408.

The previous prime is 16820696177. The next prime is 16820696197. The reversal of 16820696196 is 69169602861.

It is a happy number.

16820696196 is a `hidden beast` number, since 16 + 8 + 2 + 0 + 6 + 9 + 619 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (16820696197) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8651650 + ... + 8653593.

Almost surely, 2^16820696196 is an apocalyptic number.

It is an amenable number.

16820696196 is an abundant number, since it is smaller than the sum of its proper divisors (27273065516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16820696196 is a wasteful number, since it uses less digits than its factorization.

16820696196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17305262 (or 17305248 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 54.

The spelling of 16820696196 in words is "sixteen billion, eight hundred twenty million, six hundred ninety-six thousand, one hundred ninety-six".