4163661156 has 24 divisors (see below), whose sum is σ = 9728166784. Its totient is φ = 1386036000.

The previous prime is 4163661113. The next prime is 4163661157. The reversal of 4163661156 is 6511663614.

4163661156 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 not an unprimeable number, because it can be changed into a prime (4163661157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221995 + ... + 240018.

Almost surely, 2^4163661156 is an apocalyptic number.

It is an amenable number.

4163661156 is an abundant number, since it is smaller than the sum of its proper divisors (5564505628).

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

4163661156 is a wasteful number, since it uses less digits than its factorization.

4163661156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462771 (or 462769 counting only the distinct ones).

The product of its digits is 77760, while the sum is 39.

The square root of 4163661156 is about 64526.4376515549. The cubic root of 4163661156 is about 1608.7619761251.

The spelling of 4163661156 in words is "four billion, one hundred sixty-three million, six hundred sixty-one thousand, one hundred fifty-six".