164351216262155 has 16 divisors (see below), whose sum is σ = 212393419981344. Its totient is φ = 121366435457280.

The previous prime is 164351216262139. The next prime is 164351216262199. The reversal of 164351216262155 is 551262612153461.

It is not a de Polignac number, because 164351216262155 - 2⁴ = 164351216262139 is a prime.

It is a super-2 number, since 2×164351216262155² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6675032 + ... + 19319898.

It is an arithmetic number, because the mean of its divisors is an integer number (13274588748834).

Almost surely, 2^{164351216262155} is an apocalyptic number.

164351216262155 is a deficient number, since it is larger than the sum of its proper divisors (48042203719189).

164351216262155 is a wasteful number, since it uses less digits than its factorization.

164351216262155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12844846.

The product of its digits is 2592000, while the sum is 50.

The spelling of 164351216262155 in words is "one hundred sixty-four trillion, three hundred fifty-one billion, two hundred sixteen million, two hundred sixty-two thousand, one hundred fifty-five".