165146144566601 has 8 divisors (see below), whose sum is σ = 190757043991584. Its totient is φ = 141301514067520.

The previous prime is 165146144566577. The next prime is 165146144566631. The reversal of 165146144566601 is 106665441641561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 165146144566601 - 2²⁶ = 165146077457737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (165146144566631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 441567231275 + ... + 441567231648.

It is an arithmetic number, because the mean of its divisors is an integer number (23844630498948).

Almost surely, 2^{165146144566601} is an apocalyptic number.

165146144566601 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

165146144566601 is a deficient number, since it is larger than the sum of its proper divisors (25610899424983).

165146144566601 is a wasteful number, since it uses less digits than its factorization.

165146144566601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883134462951.

The product of its (nonzero) digits is 12441600, while the sum is 56.

The spelling of 165146144566601 in words is "one hundred sixty-five trillion, one hundred forty-six billion, one hundred forty-four million, five hundred sixty-six thousand, six hundred one".