7161904332 has 360 divisors, whose sum is σ = 21802023936. Its totient is φ = 2045736000.

The previous prime is 7161904307. The next prime is 7161904333. The reversal of 7161904332 is 2334091617.

7161904332 is a `hidden beast` number, since 7 + 1 + 619 + 0 + 4 + 3 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (7161904333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 86287963 + ... + 86288045.

Almost surely, 2^7161904332 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7161904332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10901011968).

7161904332 is an abundant number, since it is smaller than the sum of its proper divisors (14640119604).

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

7161904332 is a wasteful number, since it uses less digits than its factorization.

7161904332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223 (or 201 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 7161904332 is about 84628.0351420261. The cubic root of 7161904332 is about 1927.5671002697.

Adding to 7161904332 its reverse (2334091617), we get a palindrome (9495995949).

The spelling of 7161904332 in words is "seven billion, one hundred sixty-one million, nine hundred four thousand, three hundred thirty-two".