16406160261 has 8 divisors (see below), whose sum is σ = 23026189920. Its totient is φ = 10361785392.

The previous prime is 16406160217. The next prime is 16406160289. The reversal of 16406160261 is 16206160461.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-16406160261 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 (16406160161) 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, 143913630 + ... + 143913743.

It is an arithmetic number, because the mean of its divisors is an integer number (2878273740).

Almost surely, 2^16406160261 is an apocalyptic number.

It is an amenable number.

16406160261 is a deficient number, since it is larger than the sum of its proper divisors (6620029659).

16406160261 is a wasteful number, since it uses less digits than its factorization.

16406160261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287827395.

The product of its (nonzero) digits is 10368, while the sum is 33.

The spelling of 16406160261 in words is "sixteen billion, four hundred six million, one hundred sixty thousand, two hundred sixty-one".