152202197161 has 9 divisors (see below), whose sum is σ = 177054712311. Its totient is φ = 130456685352.

The previous prime is 152202197153. The next prime is 152202197171. The reversal of 152202197161 is 161791202251.

The square root of 152202197161 is 390131.

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

It can be written as a sum of positive squares in only one way, i.e., 136837107225 + 15365089936 = 369915^2 + 123956^2 .

It is not a de Polignac number, because 152202197161 - 2³ = 152202197153 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 152202197161.

It is not an unprimeable number, because it can be changed into a prime (152202197101) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2703051 + ... + 2758783.

Almost surely, 2^152202197161 is an apocalyptic number.

152202197161 is the 390131-st square number.

152202197161 is the 195066-th centered octagonal number.

It is an amenable number.

152202197161 is a deficient number, since it is larger than the sum of its proper divisors (24852515150).

152202197161 is an frugal number, since it uses more digits than its factorization.

152202197161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111480 (or 55740 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 37.

The spelling of 152202197161 in words is "one hundred fifty-two billion, two hundred two million, one hundred ninety-seven thousand, one hundred sixty-one".