16434061 has 18 divisors (see below), whose sum is σ = 19810350. Its totient is φ = 13592880.

The previous prime is 16434059. The next prime is 16434073. The reversal of 16434061 is 16043461.

It can be written as a sum of positive squares in only one way, i.e., 15256836 + 1177225 = 3906^2 + 1085^2 .

It is not a de Polignac number, because 16434061 - 2¹ = 16434059 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16434001) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 46915 + ... + 47263.

It is an arithmetic number, because the mean of its divisors is an integer number (1100575).

Almost surely, 2^16434061 is an apocalyptic number.

It is an amenable number.

16434061 is a deficient number, since it is larger than the sum of its proper divisors (3376289).

16434061 is an equidigital number, since it uses as much as digits as its factorization.

16434061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425 (or 387 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 16434061 is about 4053.8945472225. The cubic root of 16434061 is about 254.2425865592.

It can be divided in two parts, 164 and 34061, that added together give a square (34225 = 185²).

The spelling of 16434061 in words is "sixteen million, four hundred thirty-four thousand, sixty-one".