612116411 has 16 divisors (see below), whose sum is σ = 651801600. Its totient is φ = 573638208.

The previous prime is 612116389. The next prime is 612116413. The reversal of 612116411 is 114611216.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-612116411 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (612116413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 247700 + ... + 250158.

It is an arithmetic number, because the mean of its divisors is an integer number (40737600).

Almost surely, 2^612116411 is an apocalyptic number.

612116411 is a deficient number, since it is larger than the sum of its proper divisors (39685189).

612116411 is a wasteful number, since it uses less digits than its factorization.

612116411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2698.

The product of its digits is 288, while the sum is 23.

The square root of 612116411 is about 24740.9864597190. The cubic root of 612116411 is about 849.0723032129.

Adding to 612116411 its reverse (114611216), we get a palindrome (726727627).

The spelling of 612116411 in words is "six hundred twelve million, one hundred sixteen thousand, four hundred eleven".