16472891 has 2 divisors, whose sum is σ = 16472892. Its totient is φ = 16472890.

The previous prime is 16472861. The next prime is 16472903. The reversal of 16472891 is 19827461.

It is a strong prime.

It is an emirp because it is prime and its reverse (19827461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16472891 - 2¹⁰ = 16471867 is a prime.

It is a super-2 number, since 2×16472891² = 542712275795762, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16472851) 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 as a sum of consecutive naturals, namely, 8236445 + 8236446.

It is an arithmetic number, because the mean of its divisors is an integer number (8236446).

Almost surely, 2^16472891 is an apocalyptic number.

16472891 is a deficient number, since it is larger than the sum of its proper divisors (1).

16472891 is an equidigital number, since it uses as much as digits as its factorization.

16472891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 38.

The square root of 16472891 is about 4058.6809433608. The cubic root of 16472891 is about 254.4426684609.

The spelling of 16472891 in words is "sixteen million, four hundred seventy-two thousand, eight hundred ninety-one".