16021872890 has 16 divisors (see below), whose sum is σ = 28896715008. Its totient is φ = 6396006096.

The previous prime is 16021872871. The next prime is 16021873009. The reversal of 16021872890 is 9827812061.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1587602 + ... + 1597661.

It is an arithmetic number, because the mean of its divisors is an integer number (1806044688).

Almost surely, 2^16021872890 is an apocalyptic number.

16021872890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16021872890 is a deficient number, since it is larger than the sum of its proper divisors (12874842118).

16021872890 is a wasteful number, since it uses less digits than its factorization.

16021872890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3185773.

The product of its (nonzero) digits is 96768, while the sum is 44.

The spelling of 16021872890 in words is "sixteen billion, twenty-one million, eight hundred seventy-two thousand, eight hundred ninety".