16172479 has 2 divisors, whose sum is σ = 16172480. Its totient is φ = 16172478.

The previous prime is 16172461. The next prime is 16172489. The reversal of 16172479 is 97427161.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16172479 - 2¹⁷ = 16041407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16172449) 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, 8086239 + 8086240.

It is an arithmetic number, because the mean of its divisors is an integer number (8086240).

Almost surely, 2^16172479 is an apocalyptic number.

16172479 is a deficient number, since it is larger than the sum of its proper divisors (1).

16172479 is an equidigital number, since it uses as much as digits as its factorization.

16172479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21168, while the sum is 37.

The square root of 16172479 is about 4021.5020825557. The cubic root of 16172479 is about 252.8864337433.

It can be divided in two parts, 1617 and 2479, that added together give a 12-th power (4096 = 2¹²).

The spelling of 16172479 in words is "sixteen million, one hundred seventy-two thousand, four hundred seventy-nine".