1920160605 has 32 divisors (see below), whose sum is σ = 3408376320. Its totient is φ = 915202880.

The previous prime is 1920160597. The next prime is 1920160637. The reversal of 1920160605 is 5060610291.

It is not a de Polignac number, because 1920160605 - 2³ = 1920160597 is a prime.

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, 88887 + ... + 108356.

It is an arithmetic number, because the mean of its divisors is an integer number (106511760).

Almost surely, 2^1920160605 is an apocalyptic number.

1920160605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1920160605 is a deficient number, since it is larger than the sum of its proper divisors (1488215715).

1920160605 is a wasteful number, since it uses less digits than its factorization.

1920160605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197321.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 1920160605 is about 43819.6372075352. The cubic root of 1920160605 is about 1242.9276567678.

Adding to 1920160605 its reverse (5060610291), we get a palindrome (6980770896).

The spelling of 1920160605 in words is "one billion, nine hundred twenty million, one hundred sixty thousand, six hundred five".