16164123542 has 16 divisors (see below), whose sum is σ = 27797346720. Its totient is φ = 6905626368.

The previous prime is 16164123541. The next prime is 16164123551. The reversal of 16164123542 is 24532146161.

It is a super-2 number, since 2×16164123542² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16164123541) 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, 1816667 + ... + 1825542.

It is an arithmetic number, because the mean of its divisors is an integer number (1737334170).

Almost surely, 2^16164123542 is an apocalyptic number.

16164123542 is a deficient number, since it is larger than the sum of its proper divisors (11633223178).

16164123542 is a wasteful number, since it uses less digits than its factorization.

16164123542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3642535.

The product of its digits is 34560, while the sum is 35.

The spelling of 16164123542 in words is "sixteen billion, one hundred sixty-four million, one hundred twenty-three thousand, five hundred forty-two".