1600251161 has 2 divisors, whose sum is σ = 1600251162. Its totient is φ = 1600251160.

The previous prime is 1600251109. The next prime is 1600251167. The reversal of 1600251161 is 1611520061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1508934025 + 91317136 = 38845^2 + 9556^2 .

It is a cyclic number.

It is not a de Polignac number, because 1600251161 - 2²² = 1596056857 is a prime.

It is not a weakly prime, because it can be changed into another prime (1600251167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 800125580 + 800125581.

It is an arithmetic number, because the mean of its divisors is an integer number (800125581).

Almost surely, 2^1600251161 is an apocalyptic number.

It is an amenable number.

1600251161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1600251161 is an equidigital number, since it uses as much as digits as its factorization.

1600251161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 1600251161 is about 40003.1393893029. The cubic root of 1600251161 is about 1169.6682920181.

The spelling of 1600251161 in words is "one billion, six hundred million, two hundred fifty-one thousand, one hundred sixty-one".