16775425645 has 16 divisors (see below), whose sum is σ = 22374911232. Its totient is φ = 11970112960.

The previous prime is 16775425633. The next prime is 16775425669. The reversal of 16775425645 is 54652457761.

It is not a de Polignac number, because 16775425645 - 2¹³ = 16775417453 is a prime.

It is a super-3 number, since 3×16775425645³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16775425592 and 16775425601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2874517 + ... + 2880346.

It is an arithmetic number, because the mean of its divisors is an integer number (1398431952).

Almost surely, 2^16775425645 is an apocalyptic number.

It is an amenable number.

16775425645 is a deficient number, since it is larger than the sum of its proper divisors (5599485587).

16775425645 is a wasteful number, since it uses less digits than its factorization.

16775425645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5754932.

The product of its digits is 7056000, while the sum is 52.

The spelling of 16775425645 in words is "sixteen billion, seven hundred seventy-five million, four hundred twenty-five thousand, six hundred forty-five".