16954045 has 4 divisors (see below), whose sum is σ = 20344860. Its totient is φ = 13563232.

The previous prime is 16954037. The next prime is 16954051. The reversal of 16954045 is 54045961.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6365529 + 10588516 = 2523^2 + 3254^2 .

It is a cyclic number.

It is not a de Polignac number, because 16954045 - 2³ = 16954037 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16954045.

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, 1695400 + ... + 1695409.

It is an arithmetic number, because the mean of its divisors is an integer number (5086215).

Almost surely, 2^16954045 is an apocalyptic number.

It is an amenable number.

16954045 is a deficient number, since it is larger than the sum of its proper divisors (3390815).

16954045 is an equidigital number, since it uses as much as digits as its factorization.

16954045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3390814.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 16954045 is about 4117.5289920048. The cubic root of 16954045 is about 256.8962573403.

The spelling of 16954045 in words is "sixteen million, nine hundred fifty-four thousand, forty-five".