16293818490 has 64 divisors (see below), whose sum is σ = 40663641600. Its totient is φ = 4173410304.

The previous prime is 16293818477. The next prime is 16293818503. The reversal of 16293818490 is 9481839261.

It is an interprime number because it is at equal distance from previous prime (16293818477) and next prime (16293818503).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 119391 + ... + 216429.

It is an arithmetic number, because the mean of its divisors is an integer number (635369400).

Almost surely, 2^16293818490 is an apocalyptic number.

16293818490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16293818490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20331820800).

16293818490 is an abundant number, since it is smaller than the sum of its proper divisors (24369823110).

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

16293818490 is a wasteful number, since it uses less digits than its factorization.

16293818490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97271.

The product of its (nonzero) digits is 746496, while the sum is 51.

The spelling of 16293818490 in words is "sixteen billion, two hundred ninety-three million, eight hundred eighteen thousand, four hundred ninety".