16926018774840 has 384 divisors, whose sum is σ = 65130437099520. Its totient is φ = 3730483123200.

The previous prime is 16926018774817. The next prime is 16926018774857. The reversal of 16926018774840 is 4847781062961.

16926018774840 is a `hidden beast` number, since 1 + 6 + 92 + 60 + 1 + 8 + 7 + 7 + 484 + 0 = 666.

It is a super-2 number, since 2×16926018774840² (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 an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 21248145 + ... + 22030335.

It is an arithmetic number, because the mean of its divisors is an integer number (169610513280).

Almost surely, 2^{16926018774840} is an apocalyptic number.

16926018774840 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 16926018774840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32565218549760).

16926018774840 is an abundant number, since it is smaller than the sum of its proper divisors (48204418324680).

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

16926018774840 is a wasteful number, since it uses less digits than its factorization.

16926018774840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782523 (or 782516 counting only the distinct ones).

The product of its (nonzero) digits is 32514048, while the sum is 63.

The spelling of 16926018774840 in words is "sixteen trillion, nine hundred twenty-six billion, eighteen million, seven hundred seventy-four thousand, eight hundred forty".