16540366 has 8 divisors (see below), whose sum is σ = 25056504. Its totient is φ = 8188200.

The previous prime is 16540361. The next prime is 16540367. The reversal of 16540366 is 66304561.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16540361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40740 + ... + 41143.

It is an arithmetic number, because the mean of its divisors is an integer number (3132063).

Almost surely, 2^16540366 is an apocalyptic number.

16540366 is a deficient number, since it is larger than the sum of its proper divisors (8516138).

16540366 is a wasteful number, since it uses less digits than its factorization.

16540366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81986.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 16540366 is about 4066.9848782606. The cubic root of 16540366 is about 254.7896047453.

The spelling of 16540366 in words is "sixteen million, five hundred forty thousand, three hundred sixty-six".