472581758161 has 4 divisors (see below), whose sum is σ = 472607381092. Its totient is φ = 472556135232.

The previous prime is 472581758141. The next prime is 472581758177. The reversal of 472581758161 is 161857185274.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 318709927936 + 153871830225 = 564544^2 + 392265^2 .

It is a cyclic number.

It is not a de Polignac number, because 472581758161 - 2¹¹ = 472581756113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (472581758141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12783780 + ... + 12820693.

It is an arithmetic number, because the mean of its divisors is an integer number (118151845273).

Almost surely, 2^472581758161 is an apocalyptic number.

It is an amenable number.

472581758161 is a deficient number, since it is larger than the sum of its proper divisors (25622931).

472581758161 is a wasteful number, since it uses less digits than its factorization.

472581758161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25622930.

The product of its digits is 3763200, while the sum is 55.

The spelling of 472581758161 in words is "four hundred seventy-two billion, five hundred eighty-one million, seven hundred fifty-eight thousand, one hundred sixty-one".