4160851680420 has 36 divisors (see below), whose sum is σ = 12621250097820. Its totient is φ = 1109560448064.

The previous prime is 4160851680409. The next prime is 4160851680529. The reversal of 4160851680420 is 240861580614.

It is a happy number.

4160851680420 is a `hidden beast` number, since 4 + 1 + 60 + 8 + 5 + 168 + 0 + 420 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2752599537216 + 1408252143204 = 1659096^2 + 1186698^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×4160851680420² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11557921155 + ... + 11557921514.

It is an arithmetic number, because the mean of its divisors is an integer number (350590280495).

Almost surely, 2^{4160851680420} is an apocalyptic number.

It is an amenable number.

4160851680420 is an abundant number, since it is smaller than the sum of its proper divisors (8460398417400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4160851680420 is a wasteful number, since it uses less digits than its factorization.

4160851680420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23115842684 (or 23115842679 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The spelling of 4160851680420 in words is "four trillion, one hundred sixty billion, eight hundred fifty-one million, six hundred eighty thousand, four hundred twenty".