8169248461 has 4 divisors (see below), whose sum is σ = 8911907424. Its totient is φ = 7426589500.

The previous prime is 8169248443. The next prime is 8169248473. The reversal of 8169248461 is 1648429618.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 8169248461 - 2¹¹ = 8169246413 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8169248411) 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, 371329465 + ... + 371329486.

It is an arithmetic number, because the mean of its divisors is an integer number (2227976856).

Almost surely, 2^8169248461 is an apocalyptic number.

It is an amenable number.

8169248461 is a deficient number, since it is larger than the sum of its proper divisors (742658963).

8169248461 is a wasteful number, since it uses less digits than its factorization.

8169248461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742658962.

The product of its digits is 663552, while the sum is 49.

The square root of 8169248461 is about 90383.8949205001. The cubic root of 8169248461 is about 2014.0057292433.

The spelling of 8169248461 in words is "eight billion, one hundred sixty-nine million, two hundred forty-eight thousand, four hundred sixty-one".