361220321632 has 48 divisors (see below), whose sum is σ = 721014104160. Its totient is φ = 178106452992.

The previous prime is 361220321597. The next prime is 361220321641. The reversal of 361220321632 is 236123022163.

It is a junction number, because it is equal to n+sod(n) for n = 361220321594 and 361220321603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22471294 + ... + 22487362.

It is an arithmetic number, because the mean of its divisors is an integer number (15021127170).

Almost surely, 2^361220321632 is an apocalyptic number.

361220321632 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

361220321632 is a deficient number, since it is larger than the sum of its proper divisors (359793782528).

361220321632 is a wasteful number, since it uses less digits than its factorization.

361220321632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25775 (or 25767 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 31.

Adding to 361220321632 its reverse (236123022163), we get a palindrome (597343343795).

The spelling of 361220321632 in words is "three hundred sixty-one billion, two hundred twenty million, three hundred twenty-one thousand, six hundred thirty-two".