16198989120 has 140 divisors (see below), whose sum is σ = 57622746324. Its totient is φ = 4319723520.

The previous prime is 16198989091. The next prime is 16198989127. The reversal of 16198989120 is 2198989161.

16198989120 is a `hidden beast` number, since 1 + 619 + 8 + 9 + 8 + 9 + 12 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 10073735424 + 6125253696 = 100368^2 + 78264^2 .

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 (16198989127) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 286561 + ... + 338400.

Almost surely, 2^16198989120 is an apocalyptic number.

16198989120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16198989120 is an abundant number, since it is smaller than the sum of its proper divisors (41423757204).

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

16198989120 is an equidigital number, since it uses as much as digits as its factorization.

16198989120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624990 (or 624971 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 54.

The spelling of 16198989120 in words is "sixteen billion, one hundred ninety-eight million, nine hundred eighty-nine thousand, one hundred twenty".