165141751215 has 32 divisors (see below), whose sum is σ = 311714574336. Its totient is φ = 73058100480.

The previous prime is 165141751213. The next prime is 165141751217. The reversal of 165141751215 is 512157141561.

It is an interprime number because it is at equal distance from previous prime (165141751213) and next prime (165141751217).

It is not a de Polignac number, because 165141751215 - 2¹ = 165141751213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165141751211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25364142 + ... + 25370651.

It is an arithmetic number, because the mean of its divisors is an integer number (9741080448).

Almost surely, 2^165141751215 is an apocalyptic number.

165141751215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

165141751215 is a deficient number, since it is larger than the sum of its proper divisors (146572823121).

165141751215 is a wasteful number, since it uses less digits than its factorization.

165141751215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50734839.

The product of its digits is 42000, while the sum is 39.

Adding to 165141751215 its reverse (512157141561), we get a palindrome (677298892776).

The spelling of 165141751215 in words is "one hundred sixty-five billion, one hundred forty-one million, seven hundred fifty-one thousand, two hundred fifteen".