16554475242325 has 24 divisors (see below), whose sum is σ = 20543615838720. Its totient is φ = 13233216595200.

The previous prime is 16554475242313. The next prime is 16554475242391. The reversal of 16554475242325 is 52324257445561.

It is not a de Polignac number, because 16554475242325 - 2¹⁵ = 16554475209557 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 511413741 + ... + 511446109.

It is an arithmetic number, because the mean of its divisors is an integer number (855983993280).

Almost surely, 2^{16554475242325} is an apocalyptic number.

It is an amenable number.

16554475242325 is a deficient number, since it is larger than the sum of its proper divisors (3989140596395).

16554475242325 is a wasteful number, since it uses less digits than its factorization.

16554475242325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47757 (or 47752 counting only the distinct ones).

The product of its digits is 40320000, while the sum is 55.

The spelling of 16554475242325 in words is "sixteen trillion, five hundred fifty-four billion, four hundred seventy-five million, two hundred forty-two thousand, three hundred twenty-five".