1661160232 has 16 divisors (see below), whose sum is σ = 3120377760. Its totient is φ = 829059504.

The previous prime is 1661160199. The next prime is 1661160247. The reversal of 1661160232 is 2320611661.

It is a super-3 number, since 3×1661160232³ (a number of 29 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1661160232.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185428 + ... + 194179.

It is an arithmetic number, because the mean of its divisors is an integer number (195023610).

Almost surely, 2^1661160232 is an apocalyptic number.

It is an amenable number.

1661160232 is a deficient number, since it is larger than the sum of its proper divisors (1459217528).

1661160232 is a wasteful number, since it uses less digits than its factorization.

1661160232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380160 (or 380156 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 1661160232 is about 40757.3334750938. Note that the first 3 decimals coincide. The cubic root of 1661160232 is about 1184.3239408392.

Adding to 1661160232 its reverse (2320611661), we get a palindrome (3981771893).

The spelling of 1661160232 in words is "one billion, six hundred sixty-one million, one hundred sixty thousand, two hundred thirty-two".