4161871578 has 32 divisors (see below), whose sum is σ = 8425183680. Its totient is φ = 1370413440.

The previous prime is 4161871537. The next prime is 4161871589. The reversal of 4161871578 is 8751781614.

4161871578 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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, 686376 + ... + 692412.

It is an arithmetic number, because the mean of its divisors is an integer number (263286990).

Almost surely, 2^4161871578 is an apocalyptic number.

4161871578 is an abundant number, since it is smaller than the sum of its proper divisors (4263312102).

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

4161871578 is a wasteful number, since it uses less digits than its factorization.

4161871578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7422.

The product of its digits is 376320, while the sum is 48.

The square root of 4161871578 is about 64512.5691474150. The cubic root of 4161871578 is about 1608.5314564371.

The spelling of 4161871578 in words is "four billion, one hundred sixty-one million, eight hundred seventy-one thousand, five hundred seventy-eight".