4161544 has 8 divisors (see below), whose sum is σ = 7802910. Its totient is φ = 2080768.

The previous prime is 4161539. The next prime is 4161557. The reversal of 4161544 is 4451614.

It can be written as a sum of positive squares in only one way, i.e., 4153444 + 8100 = 2038^2 + 90^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260089 + ... + 260104.

Almost surely, 2^4161544 is an apocalyptic number.

It is an amenable number.

4161544 is a deficient number, since it is larger than the sum of its proper divisors (3641366).

4161544 is a wasteful number, since it uses less digits than its factorization.

4161544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520199 (or 520195 counting only the distinct ones).

The product of its digits is 1920, while the sum is 25.

The square root of 4161544 is about 2039.9862744636. The cubic root of 4161544 is about 160.8489253201.

The spelling of 4161544 in words is "four million, one hundred sixty-one thousand, five hundred forty-four".