16153536253 has 4 divisors (see below), whose sum is σ = 16153792768. Its totient is φ = 16153279740.

The previous prime is 16153536229. The next prime is 16153536263. The reversal of 16153536253 is 35263535161.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 16153536253 - 2²⁵ = 16119981821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16153536263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38308 + ... + 183778.

It is an arithmetic number, because the mean of its divisors is an integer number (4038448192).

Almost surely, 2^16153536253 is an apocalyptic number.

It is an amenable number.

16153536253 is a deficient number, since it is larger than the sum of its proper divisors (256515).

16153536253 is a wasteful number, since it uses less digits than its factorization.

16153536253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256514.

The product of its digits is 243000, while the sum is 40.

The spelling of 16153536253 in words is "sixteen billion, one hundred fifty-three million, five hundred thirty-six thousand, two hundred fifty-three".