16161224132 has 24 divisors (see below), whose sum is σ = 28608410880. Its totient is φ = 7987446720.

The previous prime is 16161224119. The next prime is 16161224173. The reversal of 16161224132 is 23142216161.

It is a super-2 number, since 2×16161224132² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16161224095 and 16161224104.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2348657 + ... + 2355527.

It is an arithmetic number, because the mean of its divisors is an integer number (1192017120).

Almost surely, 2^16161224132 is an apocalyptic number.

It is an amenable number.

16161224132 is a deficient number, since it is larger than the sum of its proper divisors (12447186748).

16161224132 is a wasteful number, since it uses less digits than its factorization.

16161224132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13571 (or 13569 counting only the distinct ones).

The product of its digits is 3456, while the sum is 29.

The spelling of 16161224132 in words is "sixteen billion, one hundred sixty-one million, two hundred twenty-four thousand, one hundred thirty-two".