16346643432356 has 6 divisors (see below), whose sum is σ = 28606626006630. Its totient is φ = 8173321716176.

The previous prime is 16346643432331. The next prime is 16346643432391. The reversal of 16346643432356 is 65323434664361.

It can be written as a sum of positive squares in only one way, i.e., 12796245369856 + 3550398062500 = 3577184^2 + 1884250^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2043330429041 + ... + 2043330429048.

It is an arithmetic number, because the mean of its divisors is an integer number (4767771001105).

Almost surely, 2^{16346643432356} is an apocalyptic number.

It is an amenable number.

16346643432356 is a deficient number, since it is larger than the sum of its proper divisors (12259982574274).

16346643432356 is a wasteful number, since it uses less digits than its factorization.

16346643432356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4086660858093 (or 4086660858091 counting only the distinct ones).

The product of its digits is 67184640, while the sum is 56.

The spelling of 16346643432356 in words is "sixteen trillion, three hundred forty-six billion, six hundred forty-three million, four hundred thirty-two thousand, three hundred fifty-six".