16541045 has 4 divisors (see below), whose sum is σ = 19849260. Its totient is φ = 13232832.

The previous prime is 16541029. The next prime is 16541069. The reversal of 16541045 is 54014561.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54014561 = 37 ⋅1459853.

It can be written as a sum of positive squares in 2 ways, for example, as 7091569 + 9449476 = 2663^2 + 3074^2 .

It is a cyclic number.

It is not a de Polignac number, because 16541045 - 2⁴ = 16541029 is a prime.

It is a congruent number.

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, 1654100 + ... + 1654109.

It is an arithmetic number, because the mean of its divisors is an integer number (4962315).

Almost surely, 2^16541045 is an apocalyptic number.

It is an amenable number.

16541045 is a deficient number, since it is larger than the sum of its proper divisors (3308215).

16541045 is an equidigital number, since it uses as much as digits as its factorization.

16541045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3308214.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 16541045 is about 4067.0683544784. The cubic root of 16541045 is about 254.7930911610.

The spelling of 16541045 in words is "sixteen million, five hundred forty-one thousand, forty-five".