19819190160 has 1200 divisors, whose sum is σ = 90804688128. Its totient is φ = 3914127360.

The previous prime is 19819190129. The next prime is 19819190161. The reversal of 19819190160 is 6109191891.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (19819190161) by changing a digit.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 126236802 + ... + 126236958.

Almost surely, 2^19819190160 is an apocalyptic number.

19819190160 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 19819190160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45402344064).

19819190160 is an abundant number, since it is smaller than the sum of its proper divisors (70985497968).

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

19819190160 is a wasteful number, since it uses less digits than its factorization.

19819190160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234 (or 208 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 45.

The spelling of 19819190160 in words is "nineteen billion, eight hundred nineteen million, one hundred ninety thousand, one hundred sixty".