16572041 has 4 divisors (see below), whose sum is σ = 17019972. Its totient is φ = 16124112.

The previous prime is 16572019. The next prime is 16572091. The reversal of 16572041 is 14027561.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14027561 = 29 ⋅483709.

It can be written as a sum of positive squares in 2 ways, for example, as 12145225 + 4426816 = 3485^2 + 2104^2 .

It is a cyclic number.

It is not a de Polignac number, because 16572041 - 2⁶ = 16571977 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16572041.

It is not an unprimeable number, because it can be changed into a prime (16572091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223910 + ... + 223983.

It is an arithmetic number, because the mean of its divisors is an integer number (4254993).

Almost surely, 2^16572041 is an apocalyptic number.

It is an amenable number.

16572041 is a deficient number, since it is larger than the sum of its proper divisors (447931).

16572041 is an equidigital number, since it uses as much as digits as its factorization.

16572041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447930.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 16572041 is about 4070.8771782013. The cubic root of 16572041 is about 254.9521427554.

The spelling of 16572041 in words is "sixteen million, five hundred seventy-two thousand, forty-one".