4161612 has 96 divisors (see below), whose sum is σ = 12393472. Its totient is φ = 1057536.

The previous prime is 4161611. The next prime is 4161629. The reversal of 4161612 is 2161614.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a nude number because it is divisible by every one of its digits.

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

It is not an unprimeable number, because it can be changed into a prime (4161611) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40353 + ... + 40455.

Almost surely, 2^4161612 is an apocalyptic number.

4161612 is a gapful number since it is divisible by the number (42) 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 4161612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6196736).

4161612 is an abundant number, since it is smaller than the sum of its proper divisors (8231860).

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

4161612 is a wasteful number, since it uses less digits than its factorization.

4161612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167 (or 165 counting only the distinct ones).

The product of its digits is 288, while the sum is 21.

The square root of 4161612 is about 2040.0029411744. The cubic root of 4161612 is about 160.8498014106.

The spelling of 4161612 in words is "four million, one hundred sixty-one thousand, six hundred twelve".