19790161300 has 288 divisors, whose sum is σ = 55364900864. Its totient is φ = 5978188800.

The previous prime is 19790161297. The next prime is 19790161343. The reversal of 19790161300 is 316109791.

It is a self number, because there is not a number n which added to its sum of digits gives 19790161300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 271098064 + ... + 271098136.

Almost surely, 2^19790161300 is an apocalyptic number.

19790161300 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 19790161300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27682450432).

19790161300 is an abundant number, since it is smaller than the sum of its proper divisors (35574739564).

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

19790161300 is a wasteful number, since it uses less digits than its factorization.

19790161300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 37.

The spelling of 19790161300 in words is "nineteen billion, seven hundred ninety million, one hundred sixty-one thousand, three hundred".