16489812260 has 12 divisors (see below), whose sum is σ = 34628605788. Its totient is φ = 6595924896.

The previous prime is 16489812239. The next prime is 16489812323. The reversal of 16489812260 is 6221898461.

It can be written as a sum of positive squares in 2 ways, for example, as 12183302884 + 4306509376 = 110378^2 + 65624^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 412245287 + ... + 412245326.

It is an arithmetic number, because the mean of its divisors is an integer number (2885717149).

Almost surely, 2^16489812260 is an apocalyptic number.

16489812260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16489812260 is an abundant number, since it is smaller than the sum of its proper divisors (18138793528).

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

16489812260 is a wasteful number, since it uses less digits than its factorization.

16489812260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824490622 (or 824490620 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 47.

The spelling of 16489812260 in words is "sixteen billion, four hundred eighty-nine million, eight hundred twelve thousand, two hundred sixty".