16146464232261 has 16 divisors (see below), whose sum is σ = 23570552328768. Its totient is φ = 9750408326400.

The previous prime is 16146464232257. The next prime is 16146464232343. The reversal of 16146464232261 is 16223246464161.

It is not a de Polignac number, because 16146464232261 - 2² = 16146464232257 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 16146464232261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16146464232251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 883180020 + ... + 883198301.

It is an arithmetic number, because the mean of its divisors is an integer number (1473159520548).

Almost surely, 2^{16146464232261} is an apocalyptic number.

16146464232261 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16146464232261 is a deficient number, since it is larger than the sum of its proper divisors (7424088096507).

16146464232261 is a wasteful number, since it uses less digits than its factorization.

16146464232261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1766378612.

The product of its digits is 1990656, while the sum is 48.

The spelling of 16146464232261 in words is "sixteen trillion, one hundred forty-six billion, four hundred sixty-four million, two hundred thirty-two thousand, two hundred sixty-one".