13816194528 has 96 divisors (see below), whose sum is σ = 36538441632. Its totient is φ = 4571136000.

The previous prime is 13816194503. The next prime is 13816194541. The reversal of 13816194528 is 82549161831.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8628928 + ... + 8630528.

It is an arithmetic number, because the mean of its divisors is an integer number (380608767).

Almost surely, 2^13816194528 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13816194528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18269220816).

13816194528 is an abundant number, since it is smaller than the sum of its proper divisors (22722247104).

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

13816194528 is a wasteful number, since it uses less digits than its factorization.

13816194528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2228 (or 2220 counting only the distinct ones).

The product of its digits is 414720, while the sum is 48.

The spelling of 13816194528 in words is "thirteen billion, eight hundred sixteen million, one hundred ninety-four thousand, five hundred twenty-eight".