16329487 has 2 divisors, whose sum is σ = 16329488. Its totient is φ = 16329486.

The previous prime is 16329479. The next prime is 16329491. The reversal of 16329487 is 78492361.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16329487 - 2³ = 16329479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16329497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8164743 + 8164744.

It is an arithmetic number, because the mean of its divisors is an integer number (8164744).

Almost surely, 2^16329487 is an apocalyptic number.

16329487 is a deficient number, since it is larger than the sum of its proper divisors (1).

16329487 is an equidigital number, since it uses as much as digits as its factorization.

16329487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 40.

The square root of 16329487 is about 4040.9759959693. The cubic root of 16329487 is about 253.7021691496.

The spelling of 16329487 in words is "sixteen million, three hundred twenty-nine thousand, four hundred eighty-seven".