16065998 has 24 divisors (see below), whose sum is σ = 26858664. Its totient is φ = 7164720.

The previous prime is 16065979. The next prime is 16066009. The reversal of 16065998 is 89956061.

It is a Curzon number.

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, 24665 + ... + 25307.

It is an arithmetic number, because the mean of its divisors is an integer number (1119111).

Almost surely, 2^16065998 is an apocalyptic number.

16065998 is a deficient number, since it is larger than the sum of its proper divisors (10792666).

16065998 is a wasteful number, since it uses less digits than its factorization.

16065998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720 (or 689 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 44.

The square root of 16065998 is about 4008.2412602038. The cubic root of 16065998 is about 252.3302024783.

The spelling of 16065998 in words is "sixteen million, sixty-five thousand, nine hundred ninety-eight".