611767074432 has 256 divisors, whose sum is σ = 1744869772800. Its totient is φ = 189891477504.

The previous prime is 611767074383. The next prime is 611767074433. The reversal of 611767074432 is 234470767116.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (611767074433) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 182997753 + ... + 183001095.

It is an arithmetic number, because the mean of its divisors is an integer number (6815897550).

Almost surely, 2^611767074432 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 611767074432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (872434886400).

611767074432 is an abundant number, since it is smaller than the sum of its proper divisors (1133102698368).

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

611767074432 is an equidigital number, since it uses as much as digits as its factorization.

611767074432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3508 (or 3462 counting only the distinct ones).

The product of its (nonzero) digits is 1185408, while the sum is 48.

The spelling of 611767074432 in words is "six hundred eleven billion, seven hundred sixty-seven million, seventy-four thousand, four hundred thirty-two".