16501442487683 has 4 divisors (see below), whose sum is σ = 16514935082928. Its totient is φ = 16487949892440.

The previous prime is 16501442487671. The next prime is 16501442487701. The reversal of 16501442487683 is 38678424410561.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16501442487683 - 2¹⁶ = 16501442422147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16501442487613) 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, 6746295788 + ... + 6746298233.

It is an arithmetic number, because the mean of its divisors is an integer number (4128733770732).

Almost surely, 2^{16501442487683} is an apocalyptic number.

16501442487683 is a deficient number, since it is larger than the sum of its proper divisors (13492595245).

16501442487683 is a wasteful number, since it uses less digits than its factorization.

16501442487683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13492595244.

The product of its (nonzero) digits is 30965760, while the sum is 59.

The spelling of 16501442487683 in words is "sixteen trillion, five hundred one billion, four hundred forty-two million, four hundred eighty-seven thousand, six hundred eighty-three".