16699070147256 has 768 divisors, whose sum is σ = 55405969920000. Its totient is φ = 4645513845504.

The previous prime is 16699070147171. The next prime is 16699070147261. The reversal of 16699070147256 is 65274107099661.

16699070147256 is a `hidden beast` number, since 1 + 6 + 6 + 9 + 90 + 70 + 1 + 472 + 5 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 16699070147193 and 16699070147202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 19903539685 + ... + 19903540523.

It is an arithmetic number, because the mean of its divisors is an integer number (72143190000).

Almost surely, 2^{16699070147256} 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 16699070147256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27702984960000).

16699070147256 is an abundant number, since it is smaller than the sum of its proper divisors (38706899772744).

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

16699070147256 is a wasteful number, since it uses less digits than its factorization.

16699070147256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1253 (or 1236 counting only the distinct ones).

The product of its (nonzero) digits is 34292160, while the sum is 63.

The spelling of 16699070147256 in words is "sixteen trillion, six hundred ninety-nine billion, seventy million, one hundred forty-seven thousand, two hundred fifty-six".