16159486901 has 16 divisors (see below), whose sum is σ = 18429907968. Its totient is φ = 14078380800.

The previous prime is 16159486891. The next prime is 16159486943. The reversal of 16159486901 is 10968495161.

It is a cyclic number.

It is not a de Polignac number, because 16159486901 - 2²⁶ = 16092378037 is a prime.

It is a super-2 number, since 2×16159486901² (a number of 21 digits) contains 22 as substring.

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 16159486901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16159486201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 654470 + ... + 678711.

It is an arithmetic number, because the mean of its divisors is an integer number (1151869248).

Almost surely, 2^16159486901 is an apocalyptic number.

It is an amenable number.

16159486901 is a deficient number, since it is larger than the sum of its proper divisors (2270421067).

16159486901 is a wasteful number, since it uses less digits than its factorization.

16159486901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333252.

The product of its (nonzero) digits is 466560, while the sum is 50.

The spelling of 16159486901 in words is "sixteen billion, one hundred fifty-nine million, four hundred eighty-six thousand, nine hundred one".