16265323755 has 12 divisors (see below), whose sum is σ = 28193227920. Its totient is φ = 8674839312.

The previous prime is 16265323703. The next prime is 16265323771. The reversal of 16265323755 is 55732356261.

16265323755 is a `hidden beast` number, since 1 + 62 + 6 + 532 + 3 + 7 + 55 = 666.

It is not a de Polignac number, because 16265323755 - 2²³ = 16256935147 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 361451639 = 16265323755 / (1 + 6 + 2 + 6 + 5 + 3 + 2 + 3 + 7 + 5 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 16265323755.

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, 180725775 + ... + 180725864.

It is an arithmetic number, because the mean of its divisors is an integer number (2349435660).

Almost surely, 2^16265323755 is an apocalyptic number.

16265323755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16265323755 is a deficient number, since it is larger than the sum of its proper divisors (11927904165).

16265323755 is a wasteful number, since it uses less digits than its factorization.

16265323755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361451650 (or 361451647 counting only the distinct ones).

The product of its digits is 1134000, while the sum is 45.

The spelling of 16265323755 in words is "sixteen billion, two hundred sixty-five million, three hundred twenty-three thousand, seven hundred fifty-five".