4520166431545 has 16 divisors (see below), whose sum is σ = 5556572219520. Its totient is φ = 3527887190400.

The previous prime is 4520166431531. The next prime is 4520166431591. The reversal of 4520166431545 is 5451346610254.

It is not a de Polignac number, because 4520166431545 - 2⁵ = 4520166431513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4520166431495 and 4520166431504.

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, 28771516 + ... + 28928194.

It is an arithmetic number, because the mean of its divisors is an integer number (347285763720).

Almost surely, 2^{4520166431545} is an apocalyptic number.

It is an amenable number.

4520166431545 is a deficient number, since it is larger than the sum of its proper divisors (1036405787975).

4520166431545 is a wasteful number, since it uses less digits than its factorization.

4520166431545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297456.

The product of its (nonzero) digits is 1728000, while the sum is 46.

The spelling of 4520166431545 in words is "four trillion, five hundred twenty billion, one hundred sixty-six million, four hundred thirty-one thousand, five hundred forty-five".