165654501332055 has 16 divisors (see below), whose sum is σ = 278997054875520. Its totient is φ = 83699116462368.

The previous prime is 165654501331997. The next prime is 165654501332113. The reversal of 165654501332055 is 550233105456561.

165654501332055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (165654501331997) and next prime (165654501332113).

It is not a de Polignac number, because 165654501332055 - 2¹⁷ = 165654501200983 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 165654501331989 and 165654501332007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 290621931877 + ... + 290621932446.

It is an arithmetic number, because the mean of its divisors is an integer number (17437315929720).

Almost surely, 2^{165654501332055} is an apocalyptic number.

165654501332055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

165654501332055 is a deficient number, since it is larger than the sum of its proper divisors (113342553543465).

165654501332055 is a wasteful number, since it uses less digits than its factorization.

165654501332055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581243864350.

The product of its (nonzero) digits is 8100000, while the sum is 51.

The spelling of 165654501332055 in words is "one hundred sixty-five trillion, six hundred fifty-four billion, five hundred one million, three hundred thirty-two thousand, fifty-five".