611402252160 has 256 divisors, whose sum is σ = 2239702617600. Its totient is φ = 138967818240.

The previous prime is 611402252129. The next prime is 611402252189. The reversal of 611402252160 is 61252204116.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2278690 + ... + 2532830.

It is an arithmetic number, because the mean of its divisors is an integer number (8748838350).

Almost surely, 2^611402252160 is an apocalyptic number.

611402252160 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 611402252160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1119851308800).

611402252160 is an abundant number, since it is smaller than the sum of its proper divisors (1628300365440).

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

611402252160 is a wasteful number, since it uses less digits than its factorization.

611402252160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254349 (or 254337 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

Adding to 611402252160 its reverse (61252204116), we get a palindrome (672654456276).

The spelling of 611402252160 in words is "six hundred eleven billion, four hundred two million, two hundred fifty-two thousand, one hundred sixty".