165065551150605 has 32 divisors (see below), whose sum is σ = 303756661219584. Its totient is φ = 74977910032896.

The previous prime is 165065551150597. The next prime is 165065551150639. The reversal of 165065551150605 is 506051155560561.

It is not a de Polignac number, because 165065551150605 - 2³ = 165065551150597 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5006521312 + ... + 5006554281.

It is an arithmetic number, because the mean of its divisors is an integer number (9492395663112).

Almost surely, 2^{165065551150605} is an apocalyptic number.

165065551150605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

165065551150605 is a deficient number, since it is larger than the sum of its proper divisors (138691110068979).

165065551150605 is a wasteful number, since it uses less digits than its factorization.

165065551150605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10013075765.

The product of its (nonzero) digits is 3375000, while the sum is 51.

The spelling of 165065551150605 in words is "one hundred sixty-five trillion, sixty-five billion, five hundred fifty-one million, one hundred fifty thousand, six hundred five".