16423601815 has 8 divisors (see below), whose sum is σ = 19709169120. Its totient is φ = 13138316832.

The previous prime is 16423601809. The next prime is 16423601827. The reversal of 16423601815 is 51810632461.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 16423601815 - 2⁵ = 16423601783 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91062 + ... + 202828.

It is an arithmetic number, because the mean of its divisors is an integer number (2463646140).

Almost surely, 2^16423601815 is an apocalyptic number.

16423601815 is a deficient number, since it is larger than the sum of its proper divisors (3285567305).

16423601815 is a wasteful number, since it uses less digits than its factorization.

16423601815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141161.

The product of its (nonzero) digits is 34560, while the sum is 37.

The spelling of 16423601815 in words is "sixteen billion, four hundred twenty-three million, six hundred one thousand, eight hundred fifteen".