1601828377 has 2 divisors, whose sum is σ = 1601828378. Its totient is φ = 1601828376.

The previous prime is 1601828359. The next prime is 1601828443. The reversal of 1601828377 is 7738281061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1566497241 + 35331136 = 39579^2 + 5944^2 .

It is a cyclic number.

It is not a de Polignac number, because 1601828377 - 2¹⁵ = 1601795609 is a prime.

It is not a weakly prime, because it can be changed into another prime (1601828317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 800914188 + 800914189.

It is an arithmetic number, because the mean of its divisors is an integer number (800914189).

Almost surely, 2^1601828377 is an apocalyptic number.

It is an amenable number.

1601828377 is a deficient number, since it is larger than the sum of its proper divisors (1).

1601828377 is an equidigital number, since it uses as much as digits as its factorization.

1601828377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112896, while the sum is 43.

The square root of 1601828377 is about 40022.8481870044. The cubic root of 1601828377 is about 1170.0524429217.

The spelling of 1601828377 in words is "one billion, six hundred one million, eight hundred twenty-eight thousand, three hundred seventy-seven".