612161323199 has 8 divisors (see below), whose sum is σ = 628844665008. Its totient is φ = 595485267840.

The previous prime is 612161323181. The next prime is 612161323219. The reversal of 612161323199 is 991323161216.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-612161323199 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 (612161323129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1651082 + ... + 1987559.

It is an arithmetic number, because the mean of its divisors is an integer number (78605583126).

Almost surely, 2^612161323199 is an apocalyptic number.

612161323199 is a deficient number, since it is larger than the sum of its proper divisors (16683341809).

612161323199 is a wasteful number, since it uses less digits than its factorization.

612161323199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3643225.

The product of its digits is 104976, while the sum is 44.

The spelling of 612161323199 in words is "six hundred twelve billion, one hundred sixty-one million, three hundred twenty-three thousand, one hundred ninety-nine".