6435166480 has 80 divisors (see below), whose sum is σ = 15405264000. Its totient is φ = 2498411520.

The previous prime is 6435166471. The next prime is 6435166523. The reversal of 6435166480 is 846615346.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×6435166480² = 82822735250631180800, which contains 22 as substring.

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, 647791 + ... + 657649.

It is an arithmetic number, because the mean of its divisors is an integer number (192565800).

Almost surely, 2^6435166480 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6435166480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7702632000).

6435166480 is an abundant number, since it is smaller than the sum of its proper divisors (8970097520).

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

6435166480 is a wasteful number, since it uses less digits than its factorization.

6435166480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10112 (or 10106 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 43.

The square root of 6435166480 is about 80219.4894025137. The cubic root of 6435166480 is about 1860.0299143453.

The spelling of 6435166480 in words is "six billion, four hundred thirty-five million, one hundred sixty-six thousand, four hundred eighty".