16089138406 has 24 divisors (see below), whose sum is σ = 26533659600. Its totient is φ = 7311445680.

The previous prime is 16089138391. The next prime is 16089138427. The reversal of 16089138406 is 60483198061.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1822455 + ... + 1831261.

It is an arithmetic number, because the mean of its divisors is an integer number (1105569150).

Almost surely, 2^16089138406 is an apocalyptic number.

16089138406 is a deficient number, since it is larger than the sum of its proper divisors (10444521194).

16089138406 is a wasteful number, since it uses less digits than its factorization.

16089138406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16380 (or 16369 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 46.

The spelling of 16089138406 in words is "sixteen billion, eighty-nine million, one hundred thirty-eight thousand, four hundred six".