16540345 has 8 divisors (see below), whose sum is σ = 19877760. Its totient is φ = 13212720.

The previous prime is 16540339. The next prime is 16540351. The reversal of 16540345 is 54304561.

It is an interprime number because it is at equal distance from previous prime (16540339) and next prime (16540351).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16540345 - 2⁵ = 16540313 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2016 + ... + 6094.

It is an arithmetic number, because the mean of its divisors is an integer number (2484720).

Almost surely, 2^16540345 is an apocalyptic number.

It is an amenable number.

16540345 is a deficient number, since it is larger than the sum of its proper divisors (3337415).

16540345 is an equidigital number, since it uses as much as digits as its factorization.

16540345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4895.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 16540345 is about 4066.9822964945. The cubic root of 16540345 is about 254.7894969165.

The spelling of 16540345 in words is "sixteen million, five hundred forty thousand, three hundred forty-five".