612322160 has 40 divisors (see below), whose sum is σ = 1425670656. Its totient is φ = 244581120.

The previous prime is 612322141. The next prime is 612322163. The reversal of 612322160 is 61223216.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612322163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55505 + ... + 65615.

Almost surely, 2^612322160 is an apocalyptic number.

It is an amenable number.

612322160 is an abundant number, since it is smaller than the sum of its proper divisors (813348496).

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

612322160 is a wasteful number, since it uses less digits than its factorization.

612322160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10881 (or 10875 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 612322160 is about 24745.1441701195. The cubic root of 612322160 is about 849.1674246661.

Adding to 612322160 its reverse (61223216), we get a palindrome (673545376).

The spelling of 612322160 in words is "six hundred twelve million, three hundred twenty-two thousand, one hundred sixty".