16472504645 has 8 divisors (see below), whose sum is σ = 19869426456. Its totient is φ = 13109723136.

The previous prime is 16472504623. The next prime is 16472504663. The reversal of 16472504645 is 54640527461.

It can be written as a sum of positive squares in 4 ways, for example, as 2294601604 + 14177903041 = 47902^2 + 119071^2 .

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 16472504645 - 2¹⁴ = 16472488261 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16472504596 and 16472504605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8534012 + ... + 8535941.

It is an arithmetic number, because the mean of its divisors is an integer number (2483678307).

Almost surely, 2^16472504645 is an apocalyptic number.

It is an amenable number.

16472504645 is a deficient number, since it is larger than the sum of its proper divisors (3396921811).

16472504645 is a wasteful number, since it uses less digits than its factorization.

16472504645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17070151.

The product of its (nonzero) digits is 806400, while the sum is 44.

The spelling of 16472504645 in words is "sixteen billion, four hundred seventy-two million, five hundred four thousand, six hundred forty-five".