1662080605 has 8 divisors (see below), whose sum is σ = 2019744000. Its totient is φ = 1312832976.

The previous prime is 1662080573. The next prime is 1662080621. The reversal of 1662080605 is 5060802661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1662080605 - 2⁵ = 1662080573 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2103505 + ... + 2104294.

It is an arithmetic number, because the mean of its divisors is an integer number (252468000).

Almost surely, 2^1662080605 is an apocalyptic number.

It is an amenable number.

1662080605 is a deficient number, since it is larger than the sum of its proper divisors (357663395).

1662080605 is an equidigital number, since it uses as much as digits as its factorization.

1662080605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4207883.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 1662080605 is about 40768.6227998935. The cubic root of 1662080605 is about 1184.5426270541.

The spelling of 1662080605 in words is "one billion, six hundred sixty-two million, eighty thousand, six hundred five".