611606213120 has 160 divisors (see below), whose sum is σ = 1677380462208. Its totient is φ = 209509613568.

The previous prime is 611606213117. The next prime is 611606213123. The reversal of 611606213120 is 21312606116.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (611606213117) and next prime (611606213123).

It is a tau number, because it is divible by the number of its divisors (160).

It is not an unprimeable number, because it can be changed into a prime (611606213123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21256664 + ... + 21285416.

Almost surely, 2^611606213120 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 611606213120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (838690231104).

611606213120 is an abundant number, since it is smaller than the sum of its proper divisors (1065774249088).

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

611606213120 is a wasteful number, since it uses less digits than its factorization.

611606213120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29970 (or 29954 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

Adding to 611606213120 its reverse (21312606116), we get a palindrome (632918819236).

The spelling of 611606213120 in words is "six hundred eleven billion, six hundred six million, two hundred thirteen thousand, one hundred twenty".