411161156 has 72 divisors (see below), whose sum is σ = 879459840. Its totient is φ = 167384448.

The previous prime is 411161119. The next prime is 411161171. The reversal of 411161156 is 651161114.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1005080 + ... + 1005488.

It is an arithmetic number, because the mean of its divisors is an integer number (12214720).

Almost surely, 2^411161156 is an apocalyptic number.

411161156 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 411161156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (439729920).

411161156 is an abundant number, since it is smaller than the sum of its proper divisors (468298684).

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

411161156 is a wasteful number, since it uses less digits than its factorization.

411161156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673 (or 664 counting only the distinct ones).

The product of its digits is 720, while the sum is 26.

The square root of 411161156 is about 20277.1091627973. The cubic root of 411161156 is about 743.5965385800.

The spelling of 411161156 in words is "four hundred eleven million, one hundred sixty-one thousand, one hundred fifty-six".