16135434557 has 8 divisors (see below), whose sum is σ = 17728929120. Its totient is φ = 14563046160.

The previous prime is 16135434547. The next prime is 16135434571. The reversal of 16135434557 is 75543453161.

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 16135434557 - 2²⁴ = 16118657341 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 (16135434547) 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, 5274938 + ... + 5277995.

It is an arithmetic number, because the mean of its divisors is an integer number (2216116140).

Almost surely, 2^16135434557 is an apocalyptic number.

It is an amenable number.

16135434557 is a deficient number, since it is larger than the sum of its proper divisors (1593494563).

16135434557 is a wasteful number, since it uses less digits than its factorization.

16135434557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10553083.

The product of its digits is 756000, while the sum is 44.

The spelling of 16135434557 in words is "sixteen billion, one hundred thirty-five million, four hundred thirty-four thousand, five hundred fifty-seven".