16489031080 has 32 divisors (see below), whose sum is σ = 37201443840. Its totient is φ = 6577634880.

The previous prime is 16489031057. The next prime is 16489031089. The reversal of 16489031080 is 8013098461.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (16489031089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 546936 + ... + 576295.

It is an arithmetic number, because the mean of its divisors is an integer number (1162545120).

Almost surely, 2^16489031080 is an apocalyptic number.

16489031080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16489031080 is an abundant number, since it is smaller than the sum of its proper divisors (20712412760).

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

16489031080 is a wasteful number, since it uses less digits than its factorization.

16489031080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123609 (or 1123605 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 40.

The spelling of 16489031080 in words is "sixteen billion, four hundred eighty-nine million, thirty-one thousand, eighty".