1601160287 has 4 divisors (see below), whose sum is σ = 1601480496. Its totient is φ = 1600840080.

The previous prime is 1601160271. The next prime is 1601160289. The reversal of 1601160287 is 7820611061.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1601160287 - 2⁴ = 1601160271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1601160289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152483 + ... + 162644.

It is an arithmetic number, because the mean of its divisors is an integer number (400370124).

Almost surely, 2^1601160287 is an apocalyptic number.

1601160287 is a deficient number, since it is larger than the sum of its proper divisors (320209).

1601160287 is an equidigital number, since it uses as much as digits as its factorization.

1601160287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320208.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 1601160287 is about 40014.5009590273. The cubic root of 1601160287 is about 1169.8897519513.

The spelling of 1601160287 in words is "one billion, six hundred one million, one hundred sixty thousand, two hundred eighty-seven".