617345618346 has 48 divisors (see below), whose sum is σ = 1430864200584. Its totient is φ = 191680376832.

The previous prime is 617345618341. The next prime is 617345618387. The reversal of 617345618346 is 643816543716.

617345618346 is a `hidden beast` number, since 6 + 1 + 7 + 3 + 456 + 183 + 4 + 6 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 617027531121 + 318087225 = 785511^2 + 17835^2 .

It is a super-2 number, since 2×617345618346² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 617345618292 and 617345618301.

It is not an unprimeable number, because it can be changed into a prime (617345618341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10369645 + ... + 10429008.

Almost surely, 2^617345618346 is an apocalyptic number.

617345618346 is an abundant number, since it is smaller than the sum of its proper divisors (813518582238).

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

617345618346 is a wasteful number, since it uses less digits than its factorization.

617345618346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20798775 (or 20798772 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 54.

The spelling of 617345618346 in words is "six hundred seventeen billion, three hundred forty-five million, six hundred eighteen thousand, three hundred forty-six".