16423011029065 has 8 divisors (see below), whose sum is σ = 19708803910728. Its totient is φ = 13137615039360.

The previous prime is 16423011029063. The next prime is 16423011029069. The reversal of 16423011029065 is 56092011032461.

It can be written as a sum of positive squares in 4 ways, for example, as 1994173271104 + 14428837757961 = 1412152^2 + 3798531^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16423011029065 - 2¹ = 16423011029063 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16423011029063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99131946 + ... + 99297475.

It is an arithmetic number, because the mean of its divisors is an integer number (2463600488841).

Almost surely, 2^{16423011029065} is an apocalyptic number.

It is an amenable number.

16423011029065 is a deficient number, since it is larger than the sum of its proper divisors (3285792881663).

16423011029065 is a wasteful number, since it uses less digits than its factorization.

16423011029065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198445979.

The product of its (nonzero) digits is 77760, while the sum is 40.

The spelling of 16423011029065 in words is "sixteen trillion, four hundred twenty-three billion, eleven million, twenty-nine thousand, sixty-five".