8161412 has 72 divisors (see below), whose sum is σ = 18580800. Its totient is φ = 3060288.

The previous prime is 8161403. The next prime is 8161427. The reversal of 8161412 is 2141618.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an alternating number because its digits alternate between even and odd.

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, 281414 + ... + 281442.

Almost surely, 2^8161412 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 8161412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9290400).

8161412 is an abundant number, since it is smaller than the sum of its proper divisors (10419388).

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

8161412 is a wasteful number, since it uses less digits than its factorization.

8161412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105 (or 80 counting only the distinct ones).

The product of its digits is 384, while the sum is 23.

The square root of 8161412 is about 2856.8185101613. The cubic root of 8161412 is about 201.3361535892.

The spelling of 8161412 in words is "eight million, one hundred sixty-one thousand, four hundred twelve".