1611306670343 has 4 divisors (see below), whose sum is σ = 1626950424528. Its totient is φ = 1595662916160.

The previous prime is 1611306670307. The next prime is 1611306670361. The reversal of 1611306670343 is 3430766031161.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1611306670343 - 2⁶ = 1611306670279 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1611306670343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1611306670943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7821876938 + ... + 7821877143.

It is an arithmetic number, because the mean of its divisors is an integer number (406737606132).

Almost surely, 2^{1611306670343} is an apocalyptic number.

1611306670343 is a deficient number, since it is larger than the sum of its proper divisors (15643754185).

1611306670343 is a wasteful number, since it uses less digits than its factorization.

1611306670343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15643754184.

The product of its (nonzero) digits is 163296, while the sum is 41.

The spelling of 1611306670343 in words is "one trillion, six hundred eleven billion, three hundred six million, six hundred seventy thousand, three hundred forty-three".