1920900998016 has 1920 divisors, whose sum is σ = 7910255374560. Its totient is φ = 454825082880.

The previous prime is 1920900997999. The next prime is 1920900998017. The reversal of 1920900998016 is 6108990090291.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1920900998017) by changing a digit.

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 239 ways as a sum of consecutive naturals, for example, 9952854816 + ... + 9952855008.

Almost surely, 2^{1920900998016} is an apocalyptic number.

1920900998016 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 1920900998016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3955127687280).

1920900998016 is an abundant number, since it is smaller than the sum of its proper divisors (5989354376544).

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

1920900998016 is a wasteful number, since it uses less digits than its factorization.

1920900998016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394 (or 366 counting only the distinct ones).

The product of its (nonzero) digits is 629856, while the sum is 54.

The spelling of 1920900998016 in words is "one trillion, nine hundred twenty billion, nine hundred million, nine hundred ninety-eight thousand, sixteen".