7161522236 has 24 divisors (see below), whose sum is σ = 14266433664. Its totient is φ = 3113704880.

The previous prime is 7161522191. The next prime is 7161522241. The reversal of 7161522236 is 6322251617.

It is a junction number, because it is equal to n+sod(n) for n = 7161522196 and 7161522205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3537290 + ... + 3539313.

It is an arithmetic number, because the mean of its divisors is an integer number (594434736).

Almost surely, 2^7161522236 is an apocalyptic number.

It is an amenable number.

7161522236 is a deficient number, since it is larger than the sum of its proper divisors (7104911428).

7161522236 is a wasteful number, since it uses less digits than its factorization.

7161522236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7076641 (or 7076639 counting only the distinct ones).

The product of its digits is 30240, while the sum is 35.

The square root of 7161522236 is about 84625.7776094258. Note that the first 3 decimals coincide. The cubic root of 7161522236 is about 1927.5328203379.

The spelling of 7161522236 in words is "seven billion, one hundred sixty-one million, five hundred twenty-two thousand, two hundred thirty-six".