16320111154331 has 8 divisors (see below), whose sum is σ = 17281933025280. Its totient is φ = 15368576148648.

The previous prime is 16320111154327. The next prime is 16320111154367. The reversal of 16320111154331 is 13345111102361.

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

It is a cyclic number.

It is not a de Polignac number, because 16320111154331 - 2² = 16320111154327 is a prime.

It is a super-2 number, since 2×16320111154331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16320111114331) 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, 2571713051 + ... + 2571719396.

It is an arithmetic number, because the mean of its divisors is an integer number (2160241628160).

Almost surely, 2^{16320111154331} is an apocalyptic number.

16320111154331 is a deficient number, since it is larger than the sum of its proper divisors (961821870949).

16320111154331 is a wasteful number, since it uses less digits than its factorization.

16320111154331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5143432633.

The product of its (nonzero) digits is 6480, while the sum is 32.

Adding to 16320111154331 its reverse (13345111102361), we get a palindrome (29665222256692).

The spelling of 16320111154331 in words is "sixteen trillion, three hundred twenty billion, one hundred eleven million, one hundred fifty-four thousand, three hundred thirty-one".