2173604061 has 16 divisors (see below), whose sum is σ = 2910600000. Its totient is φ = 1442853888.

The previous prime is 2173604039. The next prime is 2173604077. The reversal of 2173604061 is 1604063712.

It is not a de Polignac number, because 2173604061 - 2⁶ = 2173603997 is a prime.

It is a super-2 number, since 2×2173604061² = 9449109227991383442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2173604561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 789315 + ... + 792063.

It is an arithmetic number, because the mean of its divisors is an integer number (181912500).

Almost surely, 2^2173604061 is an apocalyptic number.

It is an amenable number.

2173604061 is a deficient number, since it is larger than the sum of its proper divisors (736995939).

2173604061 is a wasteful number, since it uses less digits than its factorization.

2173604061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3788.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 2173604061 is about 46621.9268263336. The cubic root of 2173604061 is about 1295.3689384755.

Adding to 2173604061 its reverse (1604063712), we get a palindrome (3777667773).

The spelling of 2173604061 in words is "two billion, one hundred seventy-three million, six hundred four thousand, sixty-one".