16489649292 has 24 divisors (see below), whose sum is σ = 38481581376. Its totient is φ = 5495730768.

The previous prime is 16489649287. The next prime is 16489649303. The reversal of 16489649292 is 29294698461.

16489649292 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×16489649292² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15538 + ... + 182265.

It is an arithmetic number, because the mean of its divisors is an integer number (1603399224).

Almost surely, 2^16489649292 is an apocalyptic number.

16489649292 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16489649292 is an abundant number, since it is smaller than the sum of its proper divisors (21991932084).

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

16489649292 is a wasteful number, since it uses less digits than its factorization.

16489649292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204757 (or 204755 counting only the distinct ones).

The product of its digits is 13436928, while the sum is 60.

The spelling of 16489649292 in words is "sixteen billion, four hundred eighty-nine million, six hundred forty-nine thousand, two hundred ninety-two".