1677161011 has 2 divisors, whose sum is σ = 1677161012. Its totient is φ = 1677161010.

The previous prime is 1677161009. The next prime is 1677161063. The reversal of 1677161011 is 1101617761.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1677161011 - 2¹ = 1677161009 is a prime.

Together with 1677161009, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1677164011) 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, 838580505 + 838580506.

It is an arithmetic number, because the mean of its divisors is an integer number (838580506).

Almost surely, 2^1677161011 is an apocalyptic number.

1677161011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1677161011 is an equidigital number, since it uses as much as digits as its factorization.

1677161011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1764, while the sum is 31.

The square root of 1677161011 is about 40953.1563008274. The cubic root of 1677161011 is about 1188.1143808953.

Adding to 1677161011 its reverse (1101617761), we get a palindrome (2778778772).

The spelling of 1677161011 in words is "one billion, six hundred seventy-seven million, one hundred sixty-one thousand, eleven".