165154555303 has 2 divisors, whose sum is σ = 165154555304. Its totient is φ = 165154555302.

The previous prime is 165154555271. The next prime is 165154555333. The reversal of 165154555303 is 303555451561.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 165154555303 - 2⁵ = 165154555271 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 165154555303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (165154555333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82577277651 + 82577277652.

It is an arithmetic number, because the mean of its divisors is an integer number (82577277652).

Almost surely, 2^165154555303 is an apocalyptic number.

165154555303 is a deficient number, since it is larger than the sum of its proper divisors (1).

165154555303 is an equidigital number, since it uses as much as digits as its factorization.

165154555303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 675000, while the sum is 43.

The spelling of 165154555303 in words is "one hundred sixty-five billion, one hundred fifty-four million, five hundred fifty-five thousand, three hundred three".