1600640053 has 2 divisors, whose sum is σ = 1600640054. Its totient is φ = 1600640052.

The previous prime is 1600640051. The next prime is 1600640077. The reversal of 1600640053 is 3500460061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1359986884 + 240653169 = 36878^2 + 15513^2 .

It is a cyclic number.

It is not a de Polignac number, because 1600640053 - 2¹ = 1600640051 is a prime.

Together with 1600640051, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1600640051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 800320026 + 800320027.

It is an arithmetic number, because the mean of its divisors is an integer number (800320027).

Almost surely, 2^1600640053 is an apocalyptic number.

It is an amenable number.

1600640053 is a deficient number, since it is larger than the sum of its proper divisors (1).

1600640053 is an equidigital number, since it uses as much as digits as its factorization.

1600640053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 1600640053 is about 40007.9998625275. Note that the first 3 decimals coincide. The cubic root of 1600640053 is about 1169.7630350204.

The spelling of 1600640053 in words is "one billion, six hundred million, six hundred forty thousand, fifty-three".