655723160232 has 32 divisors (see below), whose sum is σ = 1873494744000. Its totient is φ = 187349474304.

The previous prime is 655723160231. The next prime is 655723160269. The reversal of 655723160232 is 232061327556.

It is a super-2 number, since 2×655723160232² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (655723160231) 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, 1951556857 + ... + 1951557192.

It is an arithmetic number, because the mean of its divisors is an integer number (58546710750).

Almost surely, 2^655723160232 is an apocalyptic number.

It is an amenable number.

655723160232 is an abundant number, since it is smaller than the sum of its proper divisors (1217771583768).

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

655723160232 is a wasteful number, since it uses less digits than its factorization.

655723160232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3903114065 (or 3903114061 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 42.

Adding to 655723160232 its reverse (232061327556), we get a palindrome (887784487788).

The spelling of 655723160232 in words is "six hundred fifty-five billion, seven hundred twenty-three million, one hundred sixty thousand, two hundred thirty-two".