360720633221 has 4 divisors (see below), whose sum is σ = 388468374252. Its totient is φ = 332972892192.

The previous prime is 360720633187. The next prime is 360720633223. The reversal of 360720633221 is 122336027063.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 122336027063 = 38833 ⋅3150311.

It can be written as a sum of positive squares in 2 ways, for example, as 248887240996 + 111833392225 = 498886^2 + 334415^2 .

It is a cyclic number.

It is not a de Polignac number, because 360720633221 - 2⁶ = 360720633157 is a prime.

It is a super-3 number, since 3×360720633221³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (360720633223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13873870496 + ... + 13873870521.

It is an arithmetic number, because the mean of its divisors is an integer number (97117093563).

Almost surely, 2^360720633221 is an apocalyptic number.

It is an amenable number.

360720633221 is a deficient number, since it is larger than the sum of its proper divisors (27747741031).

360720633221 is a wasteful number, since it uses less digits than its factorization.

360720633221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27747741030.

The product of its (nonzero) digits is 54432, while the sum is 35.

The spelling of 360720633221 in words is "three hundred sixty billion, seven hundred twenty million, six hundred thirty-three thousand, two hundred twenty-one".