619220196 has 72 divisors (see below), whose sum is σ = 1800815744. Its totient is φ = 175737600.

The previous prime is 619220177. The next prime is 619220213. The reversal of 619220196 is 691022916.

619220196 is a `hidden beast` number, since 619 + 2 + 20 + 19 + 6 = 666.

It is a super-2 number, since 2×619220196² = 766867302268556832, which contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 619220196.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 29916 + ... + 46188.

Almost surely, 2^619220196 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 619220196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (900407872).

619220196 is an abundant number, since it is smaller than the sum of its proper divisors (1181595548).

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

619220196 is a wasteful number, since it uses less digits than its factorization.

619220196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16441 (or 16436 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 619220196 is about 24884.1354280192. The cubic root of 619220196 is about 852.3442535314.

The spelling of 619220196 in words is "six hundred nineteen million, two hundred twenty thousand, one hundred ninety-six".