4163661580 has 48 divisors (see below), whose sum is σ = 9545314464. Its totient is φ = 1516285440.

The previous prime is 4163661533. The next prime is 4163661589. The reversal of 4163661580 is 851663614.

4163661580 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (4163661589) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90706 + ... + 128665.

It is an arithmetic number, because the mean of its divisors is an integer number (198860718).

Almost surely, 2^4163661580 is an apocalyptic number.

It is an amenable number.

4163661580 is an abundant number, since it is smaller than the sum of its proper divisors (5381652884).

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

4163661580 is a wasteful number, since it uses less digits than its factorization.

4163661580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219466 (or 219464 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 4163661580 is about 64526.4409370298. The cubic root of 4163661580 is about 1608.7620307337.

The spelling of 4163661580 in words is "four billion, one hundred sixty-three million, six hundred sixty-one thousand, five hundred eighty".