662160005 has 32 divisors (see below), whose sum is σ = 884138976. Its totient is φ = 473001984.

The previous prime is 662159983. The next prime is 662160071. The reversal of 662160005 is 500061266.

It can be written as a sum of positive squares in 16 ways, for example, as 271623361 + 390536644 = 16481^2 + 19762^2 .

It is not a de Polignac number, because 662160005 - 2¹⁴ = 662143621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 250169 + ... + 252801.

It is an arithmetic number, because the mean of its divisors is an integer number (27629343).

Almost surely, 2^662160005 is an apocalyptic number.

662160005 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

662160005 is a deficient number, since it is larger than the sum of its proper divisors (221978971).

662160005 is a wasteful number, since it uses less digits than its factorization.

662160005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2777.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 662160005 is about 25732.4698581384. The cubic root of 662160005 is about 871.6075466014.

The spelling of 662160005 in words is "six hundred sixty-two million, one hundred sixty thousand, five".