165131765624114 has 4 divisors (see below), whose sum is σ = 247697648436174. Its totient is φ = 82565882812056.

The previous prime is 165131765624087. The next prime is 165131765624117. The reversal of 165131765624114 is 411426567131561.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 145448834087089 + 19682931537025 = 12060217^2 + 4436545^2 .

It is not an unprimeable number, because it can be changed into a prime (165131765624117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41282941406027 + ... + 41282941406030.

Almost surely, 2^{165131765624114} is an apocalyptic number.

165131765624114 is a deficient number, since it is larger than the sum of its proper divisors (82565882812060).

165131765624114 is an equidigital number, since it uses as much as digits as its factorization.

165131765624114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82565882812059.

The product of its digits is 3628800, while the sum is 53.

The spelling of 165131765624114 in words is "one hundred sixty-five trillion, one hundred thirty-one billion, seven hundred sixty-five million, six hundred twenty-four thousand, one hundred fourteen".