165134301520252 has 24 divisors (see below), whose sum is σ = 290253658162160. Its totient is φ = 82204701517440.

The previous prime is 165134301520241. The next prime is 165134301520267. The reversal of 165134301520252 is 252025103431561.

It is a super-2 number, since 2×165134301520252² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38127352 + ... + 42236992.

Almost surely, 2^{165134301520252} is an apocalyptic number.

It is an amenable number.

165134301520252 is a deficient number, since it is larger than the sum of its proper divisors (125119356641908).

165134301520252 is a wasteful number, since it uses less digits than its factorization.

165134301520252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4153741 (or 4153739 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 165134301520252 in words is "one hundred sixty-five trillion, one hundred thirty-four billion, three hundred one million, five hundred twenty thousand, two hundred fifty-two".