19896493167936 has 896 divisors, whose sum is σ = 79239806976000. Its totient is φ = 4737972787200.

The previous prime is 19896493167923. The next prime is 19896493167977. The reversal of 19896493167936 is 63976139469891.

19896493167936 is a `hidden beast` number, since 1 + 9 + 8 + 96 + 493 + 1 + 6 + 7 + 9 + 36 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 78243045 + ... + 78496923.

Almost surely, 2^{19896493167936} is an apocalyptic number.

19896493167936 is a gapful number since it is divisible by the number (16) 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 19896493167936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39619903488000).

19896493167936 is an abundant number, since it is smaller than the sum of its proper divisors (59343313808064).

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

19896493167936 is a wasteful number, since it uses less digits than its factorization.

19896493167936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253968 (or 253952 counting only the distinct ones).

The product of its digits is 2857026816, while the sum is 81.

The spelling of 19896493167936 in words is "nineteen trillion, eight hundred ninety-six billion, four hundred ninety-three million, one hundred sixty-seven thousand, nine hundred thirty-six".