2115162344 has 8 divisors (see below), whose sum is σ = 3965929410. Its totient is φ = 1057581168.

The previous prime is 2115162281. The next prime is 2115162347. The reversal of 2115162344 is 4432615112.

It can be written as a sum of positive squares in only one way, i.e., 2112505444 + 2656900 = 45962^2 + 1630^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (2115162347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132197639 + ... + 132197654.

Almost surely, 2^2115162344 is an apocalyptic number.

It is an amenable number.

2115162344 is a deficient number, since it is larger than the sum of its proper divisors (1850767066).

2115162344 is a wasteful number, since it uses less digits than its factorization.

2115162344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264395299 (or 264395295 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 2115162344 is about 45990.8941422104. The cubic root of 2115162344 is about 1283.6537742042.

Adding to 2115162344 its reverse (4432615112), we get a palindrome (6547777456).

The spelling of 2115162344 in words is "two billion, one hundred fifteen million, one hundred sixty-two thousand, three hundred forty-four".