1601617763 has 2 divisors, whose sum is σ = 1601617764. Its totient is φ = 1601617762.

The previous prime is 1601617757. The next prime is 1601617783. The reversal of 1601617763 is 3677161061.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1601617763 - 2¹⁰ = 1601616739 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1601617723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 800808881 + 800808882.

It is an arithmetic number, because the mean of its divisors is an integer number (800808882).

Almost surely, 2^1601617763 is an apocalyptic number.

1601617763 is a deficient number, since it is larger than the sum of its proper divisors (1).

1601617763 is an equidigital number, since it uses as much as digits as its factorization.

1601617763 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 1601617763 is about 40020.2169284476. The cubic root of 1601617763 is about 1170.0011598109.

The spelling of 1601617763 in words is "one billion, six hundred one million, six hundred seventeen thousand, seven hundred sixty-three".