16144165522 has 16 divisors (see below), whose sum is σ = 24350755032. Its totient is φ = 8027360640.

The previous prime is 16144165519. The next prime is 16144165529. The reversal of 16144165522 is 22556144161.

It can be written as a sum of positive squares in 4 ways, for example, as 7260914521 + 8883251001 = 85211^2 + 94251^2 .

It is not an unprimeable number, because it can be changed into a prime (16144165529) 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, 260668 + ... + 316600.

Almost surely, 2^16144165522 is an apocalyptic number.

16144165522 is a deficient number, since it is larger than the sum of its proper divisors (8206589510).

16144165522 is a wasteful number, since it uses less digits than its factorization.

16144165522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56733.

The product of its digits is 57600, while the sum is 37.

The spelling of 16144165522 in words is "sixteen billion, one hundred forty-four million, one hundred sixty-five thousand, five hundred twenty-two".