16296343618129 has 9 divisors (see below), whose sum is σ = 17199269090217. Its totient is φ = 15438568658724.

The previous prime is 16296343618123. The next prime is 16296343618151. The reversal of 16296343618129 is 92181634369261.

It is a happy number.

The square root of 16296343618129 is 4036873.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 16296343618129 - 2¹¹ = 16296343616081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16296343618123) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 76594354 + ... + 76806820.

It is an arithmetic number, because the mean of its divisors is an integer number (1911029898913).

Almost surely, 2^{16296343618129} is an apocalyptic number.

16296343618129 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

16296343618129 is the 4036873-rd square number.

16296343618129 is the 2018437-th centered octagonal number.

It is an amenable number.

16296343618129 is a deficient number, since it is larger than the sum of its proper divisors (902925472088).

16296343618129 is an frugal number, since it uses more digits than its factorization.

16296343618129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424972 (or 212486 counting only the distinct ones).

The product of its digits is 20155392, while the sum is 61.

The spelling of 16296343618129 in words is "sixteen trillion, two hundred ninety-six billion, three hundred forty-three million, six hundred eighteen thousand, one hundred twenty-nine".