16993040796 has 108 divisors (see below), whose sum is σ = 44889625872. Its totient is φ = 5419534848.

The previous prime is 16993040791. The next prime is 16993040797. The reversal of 16993040796 is 69704039961.

16993040796 is a `hidden beast` number, since 1 + 69 + 93 + 0 + 407 + 96 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16993040791) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3418705 + ... + 3423671.

It is an arithmetic number, because the mean of its divisors is an integer number (415644684).

Almost surely, 2^16993040796 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16993040796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22444812936).

16993040796 is an abundant number, since it is smaller than the sum of its proper divisors (27896585076).

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

16993040796 is a wasteful number, since it uses less digits than its factorization.

16993040796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5148 (or 5114 counting only the distinct ones).

The product of its (nonzero) digits is 2204496, while the sum is 54.

The spelling of 16993040796 in words is "sixteen billion, nine hundred ninety-three million, forty thousand, seven hundred ninety-six".