16365528258 has 32 divisors (see below), whose sum is σ = 33203198592. Its totient is φ = 5376537600.

The previous prime is 16365528253. The next prime is 16365528293. The reversal of 16365528258 is 85282556361.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 16365528258.

It is not an unprimeable number, because it can be changed into a prime (16365528251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1986588 + ... + 1994808.

It is an arithmetic number, because the mean of its divisors is an integer number (1037599956).

Almost surely, 2^16365528258 is an apocalyptic number.

16365528258 is an abundant number, since it is smaller than the sum of its proper divisors (16837670334).

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

16365528258 is a wasteful number, since it uses less digits than its factorization.

16365528258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12970.

The product of its digits is 3456000, while the sum is 51.

The spelling of 16365528258 in words is "sixteen billion, three hundred sixty-five million, five hundred twenty-eight thousand, two hundred fifty-eight".