165047313403 has 8 divisors (see below), whose sum is σ = 190456817408. Its totient is φ = 140095638504.

The previous prime is 165047313397. The next prime is 165047313419. The reversal of 165047313403 is 304313740561.

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 165047313403 - 2⁵ = 165047313371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (165047313203) 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, 114456501 + ... + 114457942.

It is an arithmetic number, because the mean of its divisors is an integer number (23807102176).

Almost surely, 2^165047313403 is an apocalyptic number.

165047313403 is a deficient number, since it is larger than the sum of its proper divisors (25409504005).

165047313403 is a wasteful number, since it uses less digits than its factorization.

165047313403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228914553.

The product of its (nonzero) digits is 90720, while the sum is 37.

The spelling of 165047313403 in words is "one hundred sixty-five billion, forty-seven million, three hundred thirteen thousand, four hundred three".