165263150605 has 8 divisors (see below), whose sum is σ = 226646606592. Its totient is φ = 113323303248.

The previous prime is 165263150603. The next prime is 165263150623. The reversal of 165263150605 is 506051362561.

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 165263150605 - 2¹ = 165263150603 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165263150603) 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, 2360902117 + ... + 2360902186.

It is an arithmetic number, because the mean of its divisors is an integer number (28330825824).

Almost surely, 2^165263150605 is an apocalyptic number.

It is an amenable number.

165263150605 is a deficient number, since it is larger than the sum of its proper divisors (61383455987).

165263150605 is an equidigital number, since it uses as much as digits as its factorization.

165263150605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4721804315.

The product of its (nonzero) digits is 162000, while the sum is 40.

The spelling of 165263150605 in words is "one hundred sixty-five billion, two hundred sixty-three million, one hundred fifty thousand, six hundred five".