611197536768 has 240 divisors, whose sum is σ = 2015039797056. Its totient is φ = 161194475520.

The previous prime is 611197536739. The next prime is 611197536773. The reversal of 611197536768 is 867635791116.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1648908 + ... + 1985268.

Almost surely, 2^611197536768 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 611197536768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1007519898528).

611197536768 is an abundant number, since it is smaller than the sum of its proper divisors (1403842260288).

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

611197536768 is a wasteful number, since it uses less digits than its factorization.

611197536768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336415 (or 336386 counting only the distinct ones).

The product of its digits is 11430720, while the sum is 60.

The spelling of 611197536768 in words is "six hundred eleven billion, one hundred ninety-seven million, five hundred thirty-six thousand, seven hundred sixty-eight".