16153535441 has 4 divisors (see below), whose sum is σ = 16154257332. Its totient is φ = 16152813552.

The previous prime is 16153535389. The next prime is 16153535527. The reversal of 16153535441 is 14453535161.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14453535161 = 13 ⋅1111810397.

It can be written as a sum of positive squares in 2 ways, for example, as 4206171025 + 11947364416 = 64855^2 + 109304^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16153535441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16153535395 and 16153535404.

It is not an unprimeable number, because it can be changed into a prime (16153535341) 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, 326270 + ... + 372503.

It is an arithmetic number, because the mean of its divisors is an integer number (4038564333).

Almost surely, 2^16153535441 is an apocalyptic number.

It is an amenable number.

16153535441 is a deficient number, since it is larger than the sum of its proper divisors (721891).

16153535441 is an equidigital number, since it uses as much as digits as its factorization.

16153535441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721890.

The product of its digits is 108000, while the sum is 38.

The spelling of 16153535441 in words is "sixteen billion, one hundred fifty-three million, five hundred thirty-five thousand, four hundred forty-one".