16445540386 has 8 divisors (see below), whose sum is σ = 26910884304. Its totient is φ = 7475245620.

The previous prime is 16445540369. The next prime is 16445540389. The reversal of 16445540386 is 68304554461.

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

It is not an unprimeable number, because it can be changed into a prime (16445540389) 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, 373762260 + ... + 373762303.

It is an arithmetic number, because the mean of its divisors is an integer number (3363860538).

Almost surely, 2^16445540386 is an apocalyptic number.

16445540386 is a deficient number, since it is larger than the sum of its proper divisors (10465343918).

16445540386 is a wasteful number, since it uses less digits than its factorization.

16445540386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747524576.

The product of its (nonzero) digits is 1382400, while the sum is 46.

The spelling of 16445540386 in words is "sixteen billion, four hundred forty-five million, five hundred forty thousand, three hundred eighty-six".