16054591 has 8 divisors (see below), whose sum is σ = 18607104. Its totient is φ = 13566840.

The previous prime is 16054561. The next prime is 16054631. The reversal of 16054591 is 19545061.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16054591 - 2⁹ = 16054079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16054541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15655 + ... + 16648.

It is an arithmetic number, because the mean of its divisors is an integer number (2325888).

Almost surely, 2^16054591 is an apocalyptic number.

16054591 is a deficient number, since it is larger than the sum of its proper divisors (2552513).

16054591 is an equidigital number, since it uses as much as digits as its factorization.

16054591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32381.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 16054591 is about 4006.8180642500. The cubic root of 16054591 is about 252.2704694507.

The spelling of 16054591 in words is "sixteen million, fifty-four thousand, five hundred ninety-one".