16465056330261 has 64 divisors (see below), whose sum is σ = 28844817684480. Its totient is φ = 8093602218240.

The previous prime is 16465056330259. The next prime is 16465056330313. The reversal of 16465056330261 is 16203365056461.

It is not a de Polignac number, because 16465056330261 - 2¹ = 16465056330259 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16465056330261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16465056330241) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1544851 + ... + 5942783.

It is an arithmetic number, because the mean of its divisors is an integer number (450700276320).

Almost surely, 2^{16465056330261} is an apocalyptic number.

16465056330261 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16465056330261 is a deficient number, since it is larger than the sum of its proper divisors (12379761354219).

16465056330261 is a wasteful number, since it uses less digits than its factorization.

16465056330261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4398826.

The product of its (nonzero) digits is 2332800, while the sum is 48.

The spelling of 16465056330261 in words is "sixteen trillion, four hundred sixty-five billion, fifty-six million, three hundred thirty thousand, two hundred sixty-one".