16457385 has 24 divisors (see below), whose sum is σ = 30632256. Its totient is φ = 7523040.

The previous prime is 16457383. The next prime is 16457387. The reversal of 16457385 is 58375461.

It is an interprime number because it is at equal distance from previous prime (16457383) and next prime (16457387).

It is not a de Polignac number, because 16457385 - 2¹ = 16457383 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (16457383) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10461 + ... + 11930.

It is an arithmetic number, because the mean of its divisors is an integer number (1276344).

Almost surely, 2^16457385 is an apocalyptic number.

16457385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16457385 is a deficient number, since it is larger than the sum of its proper divisors (14174871).

16457385 is a wasteful number, since it uses less digits than its factorization.

16457385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22413 (or 22406 counting only the distinct ones).

The product of its digits is 100800, while the sum is 39.

The square root of 16457385 is about 4056.7702670967. The cubic root of 16457385 is about 254.3628074213.

The spelling of 16457385 in words is "sixteen million, four hundred fifty-seven thousand, three hundred eighty-five".