1616811011 has 2 divisors, whose sum is σ = 1616811012. Its totient is φ = 1616811010.

The previous prime is 1616810957. The next prime is 1616811041. The reversal of 1616811011 is 1101186161.

It is a strong prime.

It is an emirp because it is prime and its reverse (1101186161) is a distict prime. It is also a bemirp because it and its reverse can be mirrored producing other two distinct primes, 1101189191 and 1919811011.

It is a cyclic number.

It is not a de Polignac number, because 1616811011 - 2¹⁸ = 1616548867 is a prime.

It is a super-2 number, since 2×1616811011² = 5228155690581684242, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1616811041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 808405505 + 808405506.

It is an arithmetic number, because the mean of its divisors is an integer number (808405506).

Almost surely, 2^1616811011 is an apocalyptic number.

1616811011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1616811011 is an equidigital number, since it uses as much as digits as its factorization.

1616811011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 26.

The square root of 1616811011 is about 40209.5885455198. The cubic root of 1616811011 is about 1173.6891398348.

Adding to 1616811011 its reverse (1101186161), we get a palindrome (2717997172).

The spelling of 1616811011 in words is "one billion, six hundred sixteen million, eight hundred eleven thousand, eleven".