16465342311 has 40 divisors (see below), whose sum is σ = 26849286288. Its totient is φ = 9972720000.

The previous prime is 16465342277. The next prime is 16465342343. The reversal of 16465342311 is 11324356461.

16465342311 is a `hidden beast` number, since 1 + 646 + 5 + 3 + 4 + 2 + 3 + 1 + 1 = 666.

It is not a de Polignac number, because 16465342311 - 2⁶ = 16465342247 is a prime.

It is a super-2 number, since 2×16465342311² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16465342381) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1688931 + ... + 1698651.

Almost surely, 2^16465342311 is an apocalyptic number.

16465342311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

16465342311 is a deficient number, since it is larger than the sum of its proper divisors (10383943977).

16465342311 is a wasteful number, since it uses less digits than its factorization.

16465342311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11645 (or 11636 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

Adding to 16465342311 its reverse (11324356461), we get a palindrome (27789698772).

The spelling of 16465342311 in words is "sixteen billion, four hundred sixty-five million, three hundred forty-two thousand, three hundred eleven".