16343401065 has 32 divisors (see below), whose sum is σ = 27315035136. Its totient is φ = 8328745920.

The previous prime is 16343401051. The next prime is 16343401069. The reversal of 16343401065 is 56010434361.

It is not a de Polignac number, because 16343401065 - 2¹⁵ = 16343368297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16343401069) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 310602 + ... + 359388.

It is an arithmetic number, because the mean of its divisors is an integer number (853594848).

Almost surely, 2^16343401065 is an apocalyptic number.

16343401065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16343401065 is a deficient number, since it is larger than the sum of its proper divisors (10971634071).

16343401065 is a wasteful number, since it uses less digits than its factorization.

16343401065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49789.

The product of its (nonzero) digits is 25920, while the sum is 33.

The spelling of 16343401065 in words is "sixteen billion, three hundred forty-three million, four hundred one thousand, sixty-five".