3556044161 has 4 divisors (see below), whose sum is σ = 3743204400. Its totient is φ = 3368883924.

The previous prime is 3556044127. The next prime is 3556044179. The reversal of 3556044161 is 1614406553.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1614406553 = 53 ⋅30460501.

It is a cyclic number.

It is not a de Polignac number, because 3556044161 - 2¹⁰ = 3556043137 is a prime.

It is a super-3 number, since 3×3556044161³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3556044101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93580091 + ... + 93580128.

It is an arithmetic number, because the mean of its divisors is an integer number (935801100).

Almost surely, 2^3556044161 is an apocalyptic number.

It is an amenable number.

3556044161 is a deficient number, since it is larger than the sum of its proper divisors (187160239).

3556044161 is a wasteful number, since it uses less digits than its factorization.

3556044161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187160238.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 3556044161 is about 59632.5763404534. The cubic root of 3556044161 is about 1526.3555677369.

The spelling of 3556044161 in words is "three billion, five hundred fifty-six million, forty-four thousand, one hundred sixty-one".