16697074318848 has 720 divisors, whose sum is σ = 63125454712320. Its totient is φ = 4196982988800.

The previous prime is 16697074318789. The next prime is 16697074318853. The reversal of 16697074318848 is 84881347079661.

16697074318848 is a `hidden beast` number, since 1 + 6 + 6 + 9 + 70 + 7 + 431 + 88 + 48 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 76886643 + ... + 77103501.

It is an arithmetic number, because the mean of its divisors is an integer number (87674242656).

Almost surely, 2^{16697074318848} is an apocalyptic number.

16697074318848 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16697074318848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31562727356160).

16697074318848 is an abundant number, since it is smaller than the sum of its proper divisors (46428380393472).

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

16697074318848 is a wasteful number, since it uses less digits than its factorization.

16697074318848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216939 (or 216913 counting only the distinct ones).

The product of its (nonzero) digits is 390168576, while the sum is 72.

The spelling of 16697074318848 in words is "sixteen trillion, six hundred ninety-seven billion, seventy-four million, three hundred eighteen thousand, eight hundred forty-eight".