16245555161 has 8 divisors (see below), whose sum is σ = 18655183200. Its totient is φ = 13991387040.

The previous prime is 16245555149. The next prime is 16245555167. The reversal of 16245555161 is 16155554261.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16245555161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16245555167) 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, 38864756 + ... + 38865173.

It is an arithmetic number, because the mean of its divisors is an integer number (2331897900).

Almost surely, 2^16245555161 is an apocalyptic number.

16245555161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16245555161 is a deficient number, since it is larger than the sum of its proper divisors (2409628039).

16245555161 is a wasteful number, since it uses less digits than its factorization.

16245555161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77729959.

The product of its digits is 180000, while the sum is 41.

The spelling of 16245555161 in words is "sixteen billion, two hundred forty-five million, five hundred fifty-five thousand, one hundred sixty-one".