1611996223 has 2 divisors, whose sum is σ = 1611996224. Its totient is φ = 1611996222.

The previous prime is 1611996179. The next prime is 1611996227. The reversal of 1611996223 is 3226991161.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1611996223 - 2¹³ = 1611988031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1611996227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 805998111 + 805998112.

It is an arithmetic number, because the mean of its divisors is an integer number (805998112).

Almost surely, 2^1611996223 is an apocalyptic number.

1611996223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1611996223 is an equidigital number, since it uses as much as digits as its factorization.

1611996223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34992, while the sum is 40.

The square root of 1611996223 is about 40149.6727632991. The cubic root of 1611996223 is about 1172.5229175239.

The spelling of 1611996223 in words is "one billion, six hundred eleven million, nine hundred ninety-six thousand, two hundred twenty-three".