165060115556149 has 4 divisors (see below), whose sum is σ = 180065580606720. Its totient is φ = 150054650505580.

The previous prime is 165060115556137. The next prime is 165060115556233. The reversal of 165060115556149 is 941655511060561.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 165060115556149 - 2¹⁷ = 165060115425077 is a prime.

It is a super-2 number, since 2×165060115556149² (a number of 29 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 165060115556149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165060115556129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7502732525269 + ... + 7502732525290.

It is an arithmetic number, because the mean of its divisors is an integer number (45016395151680).

Almost surely, 2^{165060115556149} is an apocalyptic number.

It is an amenable number.

165060115556149 is a deficient number, since it is larger than the sum of its proper divisors (15005465050571).

165060115556149 is a wasteful number, since it uses less digits than its factorization.

165060115556149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15005465050570.

The product of its (nonzero) digits is 4860000, while the sum is 55.

The spelling of 165060115556149 in words is "one hundred sixty-five trillion, sixty billion, one hundred fifteen million, five hundred fifty-six thousand, one hundred forty-nine".