16341121555 has 8 divisors (see below), whose sum is σ = 21392013744. Its totient is φ = 11884452000.

The previous prime is 16341121547. The next prime is 16341121571. The reversal of 16341121555 is 55512114361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16341121555 - 2³ = 16341121547 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16341121555.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148555596 + ... + 148555705.

It is an arithmetic number, because the mean of its divisors is an integer number (2674001718).

Almost surely, 2^16341121555 is an apocalyptic number.

16341121555 is a deficient number, since it is larger than the sum of its proper divisors (5050892189).

16341121555 is a wasteful number, since it uses less digits than its factorization.

16341121555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297111317.

The product of its digits is 18000, while the sum is 34.

The spelling of 16341121555 in words is "sixteen billion, three hundred forty-one million, one hundred twenty-one thousand, five hundred fifty-five".