164159820345 has 16 divisors (see below), whose sum is σ = 268244133120. Its totient is φ = 85689097344.

The previous prime is 164159820313. The next prime is 164159820401. The reversal of 164159820345 is 543028951461.

It is not a de Polignac number, because 164159820345 - 2⁵ = 164159820313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 164159820294 and 164159820303.

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, 116424700 + ... + 116426109.

It is an arithmetic number, because the mean of its divisors is an integer number (16765258320).

Almost surely, 2^164159820345 is an apocalyptic number.

164159820345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

164159820345 is a deficient number, since it is larger than the sum of its proper divisors (104084312775).

164159820345 is a wasteful number, since it uses less digits than its factorization.

164159820345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232850864.

The product of its (nonzero) digits is 1036800, while the sum is 48.

The spelling of 164159820345 in words is "one hundred sixty-four billion, one hundred fifty-nine million, eight hundred twenty thousand, three hundred forty-five".