16061111061 has 8 divisors (see below), whose sum is σ = 21425103840. Its totient is φ = 10702262832.

The previous prime is 16061111047. The next prime is 16061111113. The reversal of 16061111061 is 16011116061.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16061111061 - 2³⁰ = 14987369237 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16061111861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1278846 + ... + 1291343.

It is an arithmetic number, because the mean of its divisors is an integer number (2678137980).

Almost surely, 2^16061111061 is an apocalyptic number.

It is an amenable number.

16061111061 is a deficient number, since it is larger than the sum of its proper divisors (5363992779).

16061111061 is a wasteful number, since it uses less digits than its factorization.

16061111061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2572275.

The product of its (nonzero) digits is 216, while the sum is 24.

Subtracting from 16061111061 its reverse (16011116061), we obtain a triangular number (49995000 = T₉₉₉₉).

The spelling of 16061111061 in words is "sixteen billion, sixty-one million, one hundred eleven thousand, sixty-one".