16121324 has 12 divisors (see below), whose sum is σ = 28675248. Its totient is φ = 7928400.

The previous prime is 16121311. The next prime is 16121341. The reversal of 16121324 is 42312161.

It is a junction number, because it is equal to n+sod(n) for n = 16121296 and 16121305.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32792 + ... + 33279.

It is an arithmetic number, because the mean of its divisors is an integer number (2389604).

Almost surely, 2^16121324 is an apocalyptic number.

It is an amenable number.

16121324 is a deficient number, since it is larger than the sum of its proper divisors (12553924).

16121324 is a wasteful number, since it uses less digits than its factorization.

16121324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66136 (or 66134 counting only the distinct ones).

The product of its digits is 288, while the sum is 20.

The square root of 16121324 is about 4015.1368594358. The cubic root of 16121324 is about 252.6195179701.

Adding to 16121324 its reverse (42312161), we get a palindrome (58433485).

The spelling of 16121324 in words is "sixteen million, one hundred twenty-one thousand, three hundred twenty-four".