16080387890 has 128 divisors (see below), whose sum is σ = 36288000000. Its totient is φ = 5003182080.

The previous prime is 16080387881. The next prime is 16080387919. The reversal of 16080387890 is 9878308061.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12873986 + ... + 12875234.

It is an arithmetic number, because the mean of its divisors is an integer number (283500000).

Almost surely, 2^16080387890 is an apocalyptic number.

16080387890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16080387890 is an abundant number, since it is smaller than the sum of its proper divisors (20207612110).

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

16080387890 is a wasteful number, since it uses less digits than its factorization.

16080387890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1660.

The product of its (nonzero) digits is 580608, while the sum is 50.

The spelling of 16080387890 in words is "sixteen billion, eighty million, three hundred eighty-seven thousand, eight hundred ninety".