16912169628480 has 672 divisors, whose sum is σ = 68032062259200. Its totient is φ = 3776085540864.

The previous prime is 16912169628407. The next prime is 16912169628481. The reversal of 16912169628480 is 8482696121961.

16912169628480 is a `hidden beast` number, since 1 + 6 + 9 + 121 + 6 + 9 + 6 + 28 + 480 = 666.

It is a tau number, because it is divible by the number of its divisors (672).

It is a super-2 number, since 2×16912169628480² (a number of 27 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16912169628481) 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, 244647361 + ... + 244716479.

Almost surely, 2^{16912169628480} is an apocalyptic number.

16912169628480 is a gapful number since it is divisible by the number (10) 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 16912169628480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34016031129600).

16912169628480 is an abundant number, since it is smaller than the sum of its proper divisors (51119892630720).

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

16912169628480 is a wasteful number, since it uses less digits than its factorization.

16912169628480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69431 (or 69418 counting only the distinct ones).

The product of its (nonzero) digits is 17915904, while the sum is 63.

The spelling of 16912169628480 in words is "sixteen trillion, nine hundred twelve billion, one hundred sixty-nine million, six hundred twenty-eight thousand, four hundred eighty".