16706487 has 16 divisors (see below), whose sum is σ = 26565120. Its totient is φ = 9131232.

The previous prime is 16706477. The next prime is 16706507. The reversal of 16706487 is 78460761.

It is not a de Polignac number, because 16706487 - 2⁴ = 16706471 is a prime.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16706447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16812 + ... + 17777.

It is an arithmetic number, because the mean of its divisors is an integer number (1660320).

Almost surely, 2^16706487 is an apocalyptic number.

16706487 is a deficient number, since it is larger than the sum of its proper divisors (9858633).

16706487 is a wasteful number, since it uses less digits than its factorization.

16706487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34622.

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 16706487 is about 4087.3569699746. The cubic root of 16706487 is about 255.6397469787.

The spelling of 16706487 in words is "sixteen million, seven hundred six thousand, four hundred eighty-seven".