16534161123 has 8 divisors (see below), whose sum is σ = 22805739600. Its totient is φ = 10642678368.

The previous prime is 16534161113. The next prime is 16534161131. The reversal of 16534161123 is 32116143561.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16534161123 - 2⁴ = 16534161107 is a prime.

It is a super-2 number, since 2×16534161123² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16534161113) 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, 95023828 + ... + 95024001.

It is an arithmetic number, because the mean of its divisors is an integer number (2850717450).

Almost surely, 2^16534161123 is an apocalyptic number.

16534161123 is a deficient number, since it is larger than the sum of its proper divisors (6271578477).

16534161123 is a wasteful number, since it uses less digits than its factorization.

16534161123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190047861.

The product of its digits is 12960, while the sum is 33.

The spelling of 16534161123 in words is "sixteen billion, five hundred thirty-four million, one hundred sixty-one thousand, one hundred twenty-three".