16144561126 has 4 divisors (see below), whose sum is σ = 24216841692. Its totient is φ = 8072280562.

The previous prime is 16144561109. The next prime is 16144561127. The reversal of 16144561126 is 62116544161.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62116544161 = 7 ⋅8873792023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16144561127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4036140280 + ... + 4036140283.

It is an arithmetic number, because the mean of its divisors is an integer number (6054210423).

Almost surely, 2^16144561126 is an apocalyptic number.

16144561126 is a deficient number, since it is larger than the sum of its proper divisors (8072280566).

16144561126 is an equidigital number, since it uses as much as digits as its factorization.

16144561126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8072280565.

The product of its digits is 34560, while the sum is 37.

The spelling of 16144561126 in words is "sixteen billion, one hundred forty-four million, five hundred sixty-one thousand, one hundred twenty-six".