16536269385901 has 4 divisors (see below), whose sum is σ = 17406599353600. Its totient is φ = 15665939418204.

The previous prime is 16536269385833. The next prime is 16536269385907. The reversal of 16536269385901 is 10958396263561.

16536269385901 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16536269385901 - 2¹³ = 16536269377709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16536269385907) 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, 435164983821 + ... + 435164983858.

It is an arithmetic number, because the mean of its divisors is an integer number (4351649838400).

Almost surely, 2^{16536269385901} is an apocalyptic number.

It is an amenable number.

16536269385901 is a deficient number, since it is larger than the sum of its proper divisors (870329967699).

16536269385901 is an equidigital number, since it uses as much as digits as its factorization.

16536269385901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870329967698.

The product of its (nonzero) digits is 62985600, while the sum is 64.

The spelling of 16536269385901 in words is "sixteen trillion, five hundred thirty-six billion, two hundred sixty-nine million, three hundred eighty-five thousand, nine hundred one".