16245623885 has 8 divisors (see below), whose sum is σ = 19497203736. Its totient is φ = 12994862400.

The previous prime is 16245623857. The next prime is 16245623887. The reversal of 16245623885 is 58832654261.

It can be written as a sum of positive squares in 4 ways, for example, as 11659896361 + 4585727524 = 107981^2 + 67718^2 .

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

It is not a de Polignac number, because 16245623885 - 2¹⁶ = 16245558349 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16245623887) 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, 160034 + ... + 241043.

It is an arithmetic number, because the mean of its divisors is an integer number (2437150467).

Almost surely, 2^16245623885 is an apocalyptic number.

It is an amenable number.

16245623885 is a deficient number, since it is larger than the sum of its proper divisors (3251579851).

16245623885 is an equidigital number, since it uses as much as digits as its factorization.

16245623885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409183.

The product of its digits is 2764800, while the sum is 50.

The spelling of 16245623885 in words is "sixteen billion, two hundred forty-five million, six hundred twenty-three thousand, eight hundred eighty-five".