330990977165 has 4 divisors (see below), whose sum is σ = 397189172604. Its totient is φ = 264792781728.

The previous prime is 330990977147. The next prime is 330990977267. The reversal of 330990977165 is 561779099033.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 561779099033 = 359 ⋅1564844287.

It can be written as a sum of positive squares in 2 ways, for example, as 64506856324 + 266484120841 = 253982^2 + 516221^2 .

It is a cyclic number.

It is not a de Polignac number, because 330990977165 - 2¹² = 330990973069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33099097712 + ... + 33099097721.

It is an arithmetic number, because the mean of its divisors is an integer number (99297293151).

Almost surely, 2^330990977165 is an apocalyptic number.

It is an amenable number.

330990977165 is a deficient number, since it is larger than the sum of its proper divisors (66198195439).

330990977165 is an equidigital number, since it uses as much as digits as its factorization.

330990977165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66198195438.

The product of its (nonzero) digits is 9644670, while the sum is 59.

The spelling of 330990977165 in words is "three hundred thirty billion, nine hundred ninety million, nine hundred seventy-seven thousand, one hundred sixty-five".