4161558 has 16 divisors (see below), whose sum is σ = 8610480. Its totient is φ = 1339296.

The previous prime is 4161557. The next prime is 4161559. The reversal of 4161558 is 8551614.

It is an interprime number because it is at equal distance from previous prime (4161557) and next prime (4161559).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4161557) 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, 11785 + ... + 12132.

It is an arithmetic number, because the mean of its divisors is an integer number (538155).

Almost surely, 2^4161558 is an apocalyptic number.

4161558 is an abundant number, since it is smaller than the sum of its proper divisors (4448922).

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

4161558 is a wasteful number, since it uses less digits than its factorization.

4161558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23951.

The product of its digits is 4800, while the sum is 30.

The square root of 4161558 is about 2039.9897058564. The cubic root of 4161558 is about 160.8491056925.

The spelling of 4161558 in words is "four million, one hundred sixty-one thousand, five hundred fifty-eight".