16565141036542 has 16 divisors (see below), whose sum is σ = 28397602932192. Its totient is φ = 7099291584000.

The previous prime is 16565141036513. The next prime is 16565141036573. The reversal of 16565141036542 is 24563014156561.

It is a congruent number.

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, 2633863 + ... + 6329890.

It is an arithmetic number, because the mean of its divisors is an integer number (1774850183262).

Almost surely, 2^{16565141036542} is an apocalyptic number.

16565141036542 is a deficient number, since it is larger than the sum of its proper divisors (11832461895650).

16565141036542 is a wasteful number, since it uses less digits than its factorization.

16565141036542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9095763.

The product of its (nonzero) digits is 2592000, while the sum is 49.

The spelling of 16565141036542 in words is "sixteen trillion, five hundred sixty-five billion, one hundred forty-one million, thirty-six thousand, five hundred forty-two".