16145196534 has 112 divisors (see below), whose sum is σ = 38331247680. Its totient is φ = 5083812720.

The previous prime is 16145196511. The next prime is 16145196539. The reversal of 16145196534 is 43569154161.

16145196534 is a `hidden beast` number, since 1 + 61 + 4 + 51 + 9 + 6 + 534 = 666.

16145196534 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×16145196534² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16145196534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16145196539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 13601089 + ... + 13602275.

Almost surely, 2^16145196534 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16145196534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19165623840).

16145196534 is an abundant number, since it is smaller than the sum of its proper divisors (22186051146).

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

16145196534 is a wasteful number, since it uses less digits than its factorization.

16145196534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1717 (or 1702 counting only the distinct ones).

The product of its digits is 388800, while the sum is 45.

The spelling of 16145196534 in words is "sixteen billion, one hundred forty-five million, one hundred ninety-six thousand, five hundred thirty-four".