165146311242253 has 8 divisors (see below), whose sum is σ = 180504085716576. Its totient is φ = 149845949010000.

The previous prime is 165146311242173. The next prime is 165146311242257. The reversal of 165146311242253 is 352242113641561.

It is a happy number.

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 165146311242253 - 2³⁷ = 165008872288781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165146311242257) 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, 14353054498 + ... + 14353066003.

It is an arithmetic number, because the mean of its divisors is an integer number (22563010714572).

Almost surely, 2^{165146311242253} is an apocalyptic number.

It is an amenable number.

165146311242253 is a deficient number, since it is larger than the sum of its proper divisors (15357774474323).

165146311242253 is a wasteful number, since it uses less digits than its factorization.

165146311242253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28706121035.

The product of its digits is 1036800, while the sum is 46.

The spelling of 165146311242253 in words is "one hundred sixty-five trillion, one hundred forty-six billion, three hundred eleven million, two hundred forty-two thousand, two hundred fifty-three".