16245854261 has 8 divisors (see below), whose sum is σ = 19994897664. Its totient is φ = 12853862640.

The previous prime is 16245854257. The next prime is 16245854353.

16245854261 is nontrivially palindromic in base 10.

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 16245854261 - 2² = 16245854257 is a prime.

It is a super-2 number, since 2×16245854261² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16245854461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89262845 + ... + 89263026.

It is an arithmetic number, because the mean of its divisors is an integer number (2499362208).

Almost surely, 2^16245854261 is an apocalyptic number.

It is an amenable number.

16245854261 is a deficient number, since it is larger than the sum of its proper divisors (3749043403).

16245854261 is a wasteful number, since it uses less digits than its factorization.

16245854261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178525891.

The product of its digits is 460800, while the sum is 44.

The spelling of 16245854261 in words is "sixteen billion, two hundred forty-five million, eight hundred fifty-four thousand, two hundred sixty-one".