16140061323 has 8 divisors (see below), whose sum is σ = 23911202000. Its totient is φ = 10760040864.

The previous prime is 16140061277. The next prime is 16140061337. The reversal of 16140061323 is 32316004161.

16140061323 is a `hidden beast` number, since 1 + 6 + 1 + 40 + 0 + 613 + 2 + 3 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-16140061323 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 597780049 = 16140061323 / (1 + 6 + 1 + 4 + 0 + 0 + 6 + 1 + 3 + 2 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16140060323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 298889998 + ... + 298890051.

It is an arithmetic number, because the mean of its divisors is an integer number (2988900250).

Almost surely, 2^16140061323 is an apocalyptic number.

16140061323 is a deficient number, since it is larger than the sum of its proper divisors (7771140677).

16140061323 is an equidigital number, since it uses as much as digits as its factorization.

16140061323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597780058 (or 597780052 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 16140061323 its reverse (32316004161), we get a palindrome (48456065484).

The spelling of 16140061323 in words is "sixteen billion, one hundred forty million, sixty-one thousand, three hundred twenty-three".