7589720161 has 3 divisors (see below), whose sum is σ = 7589807281. Its totient is φ = 7589633042.

The previous prime is 7589720147. The next prime is 7589720189. The reversal of 7589720161 is 1610279857.

It is a happy number.

The square root of 7589720161 is 87119.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 7589720161 - 2¹⁵ = 7589687393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7589727161) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 43560 + ... + 130678.

Almost surely, 2^7589720161 is an apocalyptic number.

7589720161 is the 87119-th square number.

7589720161 is the 43560-th centered octagonal number.

It is an amenable number.

7589720161 is a deficient number, since it is larger than the sum of its proper divisors (87120).

7589720161 is an frugal number, since it uses more digits than its factorization.

7589720161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174238 (or 87119 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 46.

The cubic root of 7589720161 is about 1965.2082914304.

The spelling of 7589720161 in words is "seven billion, five hundred eighty-nine million, seven hundred twenty thousand, one hundred sixty-one".