8161297150 has 24 divisors (see below), whose sum is σ = 15669693504. Its totient is φ = 3159211200.

The previous prime is 8161297129. The next prime is 8161297159. The reversal of 8161297150 is 517921618.

It is a happy number.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8161297159) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2631127 + ... + 2634226.

It is an arithmetic number, because the mean of its divisors is an integer number (652903896).

Almost surely, 2^8161297150 is an apocalyptic number.

8161297150 is a deficient number, since it is larger than the sum of its proper divisors (7508396354).

8161297150 is a wasteful number, since it uses less digits than its factorization.

8161297150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5265396 (or 5265391 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 40.

The square root of 8161297150 is about 90339.8978857072. The cubic root of 8161297150 is about 2013.3520916255.

The spelling of 8161297150 in words is "eight billion, one hundred sixty-one million, two hundred ninety-seven thousand, one hundred fifty".