16434481 has 16 divisors (see below), whose sum is σ = 19410048. Its totient is φ = 13622400.

The previous prime is 16434463. The next prime is 16434499. The reversal of 16434481 is 18443461.

It is an interprime number because it is at equal distance from previous prime (16434463) and next prime (16434499).

It is a cyclic number.

It is not a de Polignac number, because 16434481 - 2²¹ = 14337329 is a prime.

It is a super-2 number, since 2×16434481² = 540184331478722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16434281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49486 + ... + 49816.

It is an arithmetic number, because the mean of its divisors is an integer number (1213128).

Almost surely, 2^16434481 is an apocalyptic number.

It is an amenable number.

16434481 is a deficient number, since it is larger than the sum of its proper divisors (2975567).

16434481 is a wasteful number, since it uses less digits than its factorization.

16434481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552.

The product of its digits is 9216, while the sum is 31.

The square root of 16434481 is about 4053.9463489296. The cubic root of 16434481 is about 254.2447524061.

It can be divided in two parts, 164 and 34481, that multiplied together give a square (5654884 = 2378²).

The spelling of 16434481 in words is "sixteen million, four hundred thirty-four thousand, four hundred eighty-one".