1600077243 has 4 divisors (see below), whose sum is σ = 2133436328. Its totient is φ = 1066718160.

The previous prime is 1600077221. The next prime is 1600077253. The reversal of 1600077243 is 3427700061.

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

It is not a de Polignac number, because 1600077243 - 2¹² = 1600073147 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1600077243.

It is not an unprimeable number, because it can be changed into a prime (1600077253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266679538 + ... + 266679543.

It is an arithmetic number, because the mean of its divisors is an integer number (533359082).

Almost surely, 2^1600077243 is an apocalyptic number.

1600077243 is a deficient number, since it is larger than the sum of its proper divisors (533359085).

1600077243 is an equidigital number, since it uses as much as digits as its factorization.

1600077243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533359084.

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 1600077243 is about 40000.9655258470. The cubic root of 1600077243 is about 1169.6259166408.

The spelling of 1600077243 in words is "one billion, six hundred million, seventy-seven thousand, two hundred forty-three".