16201122180839 has 16 divisors (see below), whose sum is σ = 16535140391616. Its totient is φ = 15869373811200.

The previous prime is 16201122180827. The next prime is 16201122180871. The reversal of 16201122180839 is 93808122110261.

It is a cyclic number.

It is not a de Polignac number, because 16201122180839 - 2⁸ = 16201122180583 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16201122180839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16201122180809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30949199 + ... + 31468319.

It is an arithmetic number, because the mean of its divisors is an integer number (1033446274476).

Almost surely, 2^{16201122180839} is an apocalyptic number.

16201122180839 is a deficient number, since it is larger than the sum of its proper divisors (334018210777).

16201122180839 is a wasteful number, since it uses less digits than its factorization.

16201122180839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521306.

The product of its (nonzero) digits is 82944, while the sum is 44.

The spelling of 16201122180839 in words is "sixteen trillion, two hundred one billion, one hundred twenty-two million, one hundred eighty thousand, eight hundred thirty-nine".