1612342261 has 32 divisors (see below), whose sum is σ = 1814400000. Its totient is φ = 1426199040.

The previous prime is 1612342243. The next prime is 1612342273. The reversal of 1612342261 is 1622432161.

It is a cyclic number.

It is not a de Polignac number, because 1612342261 - 2⁷ = 1612342133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1612342231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3365820 + ... + 3366298.

It is an arithmetic number, because the mean of its divisors is an integer number (56700000).

Almost surely, 2^1612342261 is an apocalyptic number.

It is an amenable number.

1612342261 is a deficient number, since it is larger than the sum of its proper divisors (202057739).

1612342261 is a wasteful number, since it uses less digits than its factorization.

1612342261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717.

The product of its digits is 3456, while the sum is 28.

The square root of 1612342261 is about 40153.9818822492. The cubic root of 1612342261 is about 1172.6068111151.

The spelling of 1612342261 in words is "one billion, six hundred twelve million, three hundred forty-two thousand, two hundred sixty-one".