165934462641 has 8 divisors (see below), whose sum is σ = 221248591680. Its totient is φ = 110621654352.

The previous prime is 165934462591. The next prime is 165934462651. The reversal of 165934462641 is 146264439561.

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

It is not a de Polignac number, because 165934462641 - 2⁹ = 165934462129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (165934462651) 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, 14316 + ... + 576258.

It is an arithmetic number, because the mean of its divisors is an integer number (27656073960).

Almost surely, 2^165934462641 is an apocalyptic number.

It is an amenable number.

165934462641 is a deficient number, since it is larger than the sum of its proper divisors (55314129039).

165934462641 is an equidigital number, since it uses as much as digits as its factorization.

165934462641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660375.

The product of its digits is 3732480, while the sum is 51.

The spelling of 165934462641 in words is "one hundred sixty-five billion, nine hundred thirty-four million, four hundred sixty-two thousand, six hundred forty-one".