2165350546 has 16 divisors (see below), whose sum is σ = 3272319000. Its totient is φ = 1074588928.

The previous prime is 2165350501. The next prime is 2165350549. The reversal of 2165350546 is 6450535612.

It can be written as a sum of positive squares in 4 ways, for example, as 1725987025 + 439363521 = 41545^2 + 20961^2 .

It is not an unprimeable number, because it can be changed into a prime (2165350549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 632736 + ... + 636148.

Almost surely, 2^2165350546 is an apocalyptic number.

2165350546 is a deficient number, since it is larger than the sum of its proper divisors (1106968454).

2165350546 is a wasteful number, since it uses less digits than its factorization.

2165350546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5693.

The product of its (nonzero) digits is 108000, while the sum is 37.

The square root of 2165350546 is about 46533.3272612221. The cubic root of 2165350546 is about 1293.7272859447.

The spelling of 2165350546 in words is "two billion, one hundred sixty-five million, three hundred fifty thousand, five hundred forty-six".