613211603172 has 24 divisors (see below), whose sum is σ = 1635230942016. Its totient is φ = 175203315168.

The previous prime is 613211603161. The next prime is 613211603203. The reversal of 613211603172 is 271306112316.

It is a super-3 number, since 3×613211603172³ (a number of 36 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3650068983 + ... + 3650069150.

It is an arithmetic number, because the mean of its divisors is an integer number (68134622584).

Almost surely, 2^613211603172 is an apocalyptic number.

It is an amenable number.

613211603172 is an abundant number, since it is smaller than the sum of its proper divisors (1022019338844).

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

613211603172 is a wasteful number, since it uses less digits than its factorization.

613211603172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7300138147 (or 7300138145 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

Adding to 613211603172 its reverse (271306112316), we get a palindrome (884517715488).

The spelling of 613211603172 in words is "six hundred thirteen billion, two hundred eleven million, six hundred three thousand, one hundred seventy-two".