619416612 has 48 divisors (see below), whose sum is σ = 1614916800. Its totient is φ = 205318728.

The previous prime is 619416599. The next prime is 619416613. The reversal of 619416612 is 216614916.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (619416613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3460339 + ... + 3460517.

It is an arithmetic number, because the mean of its divisors is an integer number (33644100).

Almost surely, 2^619416612 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 619416612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (807458400).

619416612 is an abundant number, since it is smaller than the sum of its proper divisors (995500188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

619416612 is an frugal number, since it uses more digits than its factorization.

619416612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550 (or 184 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 619416612 is about 24888.0817259989. The cubic root of 619416612 is about 852.4343649069.

The spelling of 619416612 in words is "six hundred nineteen million, four hundred sixteen thousand, six hundred twelve".