164629553865 has 32 divisors (see below), whose sum is σ = 301053874176. Its totient is φ = 75254980800.

The previous prime is 164629553863. The next prime is 164629553899. The reversal of 164629553865 is 568355926461.

164629553865 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 164629553865 - 2¹ = 164629553863 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 164629553799 and 164629553808.

It is not an unprimeable number, because it can be changed into a prime (164629553863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2545924 + ... + 2609786.

It is an arithmetic number, because the mean of its divisors is an integer number (9407933568).

Almost surely, 2^164629553865 is an apocalyptic number.

164629553865 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

164629553865 is a deficient number, since it is larger than the sum of its proper divisors (136424320311).

164629553865 is a wasteful number, since it uses less digits than its factorization.

164629553865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88429.

The product of its digits is 46656000, while the sum is 60.

The spelling of 164629553865 in words is "one hundred sixty-four billion, six hundred twenty-nine million, five hundred fifty-three thousand, eight hundred sixty-five".