2165592452 has 6 divisors (see below), whose sum is σ = 3789786798. Its totient is φ = 1082796224.

The previous prime is 2165592427. The next prime is 2165592461. The reversal of 2165592452 is 2542955612.

It can be written as a sum of positive squares in only one way, i.e., 1255001476 + 910590976 = 35426^2 + 30176^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270699053 + ... + 270699060.

It is an arithmetic number, because the mean of its divisors is an integer number (631631133).

Almost surely, 2^2165592452 is an apocalyptic number.

It is an amenable number.

2165592452 is a deficient number, since it is larger than the sum of its proper divisors (1624194346).

2165592452 is a wasteful number, since it uses less digits than its factorization.

2165592452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541398117 (or 541398115 counting only the distinct ones).

The product of its digits is 216000, while the sum is 41.

The square root of 2165592452 is about 46535.9264654740. The cubic root of 2165592452 is about 1293.7754611682.

The spelling of 2165592452 in words is "two billion, one hundred sixty-five million, five hundred ninety-two thousand, four hundred fifty-two".