16135468524 has 108 divisors (see below), whose sum is σ = 47730939984. Its totient is φ = 4582444608.

The previous prime is 16135468513. The next prime is 16135468529. The reversal of 16135468524 is 42586453161.

16135468524 is a `hidden beast` number, since 1 + 6 + 1 + 3 + 546 + 85 + 24 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 16135468524.

It is not an unprimeable number, because it can be changed into a prime (16135468529) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 267202 + ... + 321974.

It is an arithmetic number, because the mean of its divisors is an integer number (441953148).

Almost surely, 2^16135468524 is an apocalyptic number.

16135468524 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16135468524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23865469992).

16135468524 is an abundant number, since it is smaller than the sum of its proper divisors (31595471460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16135468524 is a wasteful number, since it uses less digits than its factorization.

16135468524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54964 (or 54952 counting only the distinct ones).

The product of its digits is 691200, while the sum is 45.

The spelling of 16135468524 in words is "sixteen billion, one hundred thirty-five million, four hundred sixty-eight thousand, five hundred twenty-four".