16001494 has 4 divisors (see below), whose sum is σ = 24002244. Its totient is φ = 8000746.

The previous prime is 16001467. The next prime is 16001497. The reversal of 16001494 is 49410061.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16001497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4000372 + ... + 4000375.

It is an arithmetic number, because the mean of its divisors is an integer number (6000561).

Almost surely, 2^16001494 is an apocalyptic number.

16001494 is a deficient number, since it is larger than the sum of its proper divisors (8000750).

16001494 is an equidigital number, since it uses as much as digits as its factorization.

16001494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8000749.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 16001494 is about 4000.1867456408. The cubic root of 16001494 is about 251.9920527434.

The spelling of 16001494 in words is "sixteen million, one thousand, four hundred ninety-four".