9121315162 has 4 divisors (see below), whose sum is σ = 13681972746. Its totient is φ = 4560657580.

The previous prime is 9121315153. The next prime is 9121315249. The reversal of 9121315162 is 2615131219.

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

It can be written as a sum of positive squares in only one way, i.e., 7869641521 + 1251673641 = 88711^2 + 35379^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2280328789 + ... + 2280328792.

Almost surely, 2^9121315162 is an apocalyptic number.

9121315162 is a deficient number, since it is larger than the sum of its proper divisors (4560657584).

9121315162 is a wasteful number, since it uses less digits than its factorization.

9121315162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4560657583.

The product of its digits is 3240, while the sum is 31.

The square root of 9121315162 is about 95505.5766015786. The cubic root of 9121315162 is about 2089.3882783494.

The spelling of 9121315162 in words is "nine billion, one hundred twenty-one million, three hundred fifteen thousand, one hundred sixty-two".