16694994498 has 192 divisors, whose sum is σ = 43963637760. Its totient is φ = 4107970944.

The previous prime is 16694994497. The next prime is 16694994527. The reversal of 16694994498 is 89449949661.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16694994497) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 23219383 + ... + 23220101.

It is an arithmetic number, because the mean of its divisors is an integer number (228977280).

Almost surely, 2^16694994498 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16694994498, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21981818880).

16694994498 is an abundant number, since it is smaller than the sum of its proper divisors (27268643262).

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

16694994498 is a wasteful number, since it uses less digits than its factorization.

16694994498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853 (or 810 counting only the distinct ones).

The product of its digits is 120932352, while the sum is 69.

The spelling of 16694994498 in words is "sixteen billion, six hundred ninety-four million, nine hundred ninety-four thousand, four hundred ninety-eight".