365443220161 has 8 divisors (see below), whose sum is σ = 373233047040. Its totient is φ = 357653995008.

The previous prime is 365443220147. The next prime is 365443220173. The reversal of 365443220161 is 161022344563.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 365443220161 - 2⁷ = 365443220033 is a prime.

It is a super-2 number, since 2×365443220161² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 365443220161.

It is not an unprimeable number, because it can be changed into a prime (365443220761) 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, 1206145 + ... + 1478401.

It is an arithmetic number, because the mean of its divisors is an integer number (46654130880).

Almost surely, 2^365443220161 is an apocalyptic number.

It is an amenable number.

365443220161 is a deficient number, since it is larger than the sum of its proper divisors (7789826879).

365443220161 is a wasteful number, since it uses less digits than its factorization.

365443220161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300863.

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 365443220161 in words is "three hundred sixty-five billion, four hundred forty-three million, two hundred twenty thousand, one hundred sixty-one".