16355362372321 has 16 divisors (see below), whose sum is σ = 19295055037440. Its totient is φ = 13566484491840.

The previous prime is 16355362372303. The next prime is 16355362372351. The reversal of 16355362372321 is 12327326355361.

It is not a de Polignac number, because 16355362372321 - 2²⁷ = 16355228154593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16355362372351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17919195 + ... + 18809791.

It is an arithmetic number, because the mean of its divisors is an integer number (1205940939840).

Almost surely, 2^{16355362372321} is an apocalyptic number.

It is an amenable number.

16355362372321 is a deficient number, since it is larger than the sum of its proper divisors (2939692665119).

16355362372321 is an equidigital number, since it uses as much as digits as its factorization.

16355362372321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975264.

The product of its digits is 4082400, while the sum is 49.

The spelling of 16355362372321 in words is "sixteen trillion, three hundred fifty-five billion, three hundred sixty-two million, three hundred seventy-two thousand, three hundred twenty-one".