165730807149 has 8 divisors (see below), whose sum is σ = 222208904160. Its totient is φ = 109869957456.

The previous prime is 165730807147. The next prime is 165730807157. The reversal of 165730807149 is 941708037561.

It is a happy number.

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

It is not a de Polignac number, because 165730807149 - 2¹ = 165730807147 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165730807147) 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, 154311202 + ... + 154312275.

It is an arithmetic number, because the mean of its divisors is an integer number (27776113020).

Almost surely, 2^165730807149 is an apocalyptic number.

It is an amenable number.

165730807149 is a deficient number, since it is larger than the sum of its proper divisors (56478097011).

165730807149 is a wasteful number, since it uses less digits than its factorization.

165730807149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308623659.

The product of its (nonzero) digits is 1270080, while the sum is 51.

The spelling of 165730807149 in words is "one hundred sixty-five billion, seven hundred thirty million, eight hundred seven thousand, one hundred forty-nine".