165663302351145 has 8 divisors (see below), whose sum is σ = 265061283761856. Its totient is φ = 88353761253936.

The previous prime is 165663302351119. The next prime is 165663302351177. The reversal of 165663302351145 is 541153203366561.

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

It is not a de Polignac number, because 165663302351145 - 2²¹ = 165663300253993 is a prime.

It is a super-2 number, since 2×165663302351145² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5522110078357 + ... + 5522110078386.

It is an arithmetic number, because the mean of its divisors is an integer number (33132660470232).

Almost surely, 2^{165663302351145} is an apocalyptic number.

165663302351145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

165663302351145 is a deficient number, since it is larger than the sum of its proper divisors (99397981410711).

165663302351145 is a wasteful number, since it uses less digits than its factorization.

165663302351145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11044220156751.

The product of its (nonzero) digits is 5832000, while the sum is 51.

The spelling of 165663302351145 in words is "one hundred sixty-five trillion, six hundred sixty-three billion, three hundred two million, three hundred fifty-one thousand, one hundred forty-five".