16120447 has 16 divisors (see below), whose sum is σ = 19353600. Its totient is φ = 13128192.

The previous prime is 16120411. The next prime is 16120453. The reversal of 16120447 is 74402161.

It is not a de Polignac number, because 16120447 - 2⁷ = 16120319 is a prime.

It is a super-2 number, since 2×16120447² = 519737622959618, which contains 22 as substring.

It is a zygodrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16120457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35679 + ... + 36127.

It is an arithmetic number, because the mean of its divisors is an integer number (1209600).

Almost surely, 2^16120447 is an apocalyptic number.

16120447 is a deficient number, since it is larger than the sum of its proper divisors (3233153).

16120447 is a wasteful number, since it uses less digits than its factorization.

16120447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 16120447 is about 4015.0276462311. The cubic root of 16120447 is about 252.6149370533.

The spelling of 16120447 in words is "sixteen million, one hundred twenty thousand, four hundred forty-seven".