16065990390 has 16 divisors (see below), whose sum is σ = 38558377008. Its totient is φ = 4284264096.

The previous prime is 16065990389. The next prime is 16065990419. The reversal of 16065990390 is 9309956061.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 267766477 + ... + 267766536.

It is an arithmetic number, because the mean of its divisors is an integer number (2409898563).

Almost surely, 2^16065990390 is an apocalyptic number.

16065990390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16065990390 is an abundant number, since it is smaller than the sum of its proper divisors (22492386618).

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

16065990390 is a wasteful number, since it uses less digits than its factorization.

16065990390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535533023.

The product of its (nonzero) digits is 393660, while the sum is 48.

The spelling of 16065990390 in words is "sixteen billion, sixty-five million, nine hundred ninety thousand, three hundred ninety".