365565601666122 has 192 divisors, whose sum is σ = 870793737117696. Its totient is φ = 100865182504320.

The previous prime is 365565601666021. The next prime is 365565601666147. The reversal of 365565601666122 is 221666106565563.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5692096903 + ... + 5692161125.

It is an arithmetic number, because the mean of its divisors is an integer number (4535384047488).

Almost surely, 2^{365565601666122} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 365565601666122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (435396868558848).

365565601666122 is an abundant number, since it is smaller than the sum of its proper divisors (505228135451574).

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

365565601666122 is a wasteful number, since it uses less digits than its factorization.

365565601666122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65473 (or 65394 counting only the distinct ones).

The product of its (nonzero) digits is 69984000, while the sum is 60.

The spelling of 365565601666122 in words is "three hundred sixty-five trillion, five hundred sixty-five billion, six hundred one million, six hundred sixty-six thousand, one hundred twenty-two".