164625105 has 16 divisors (see below), whose sum is σ = 266575680. Its totient is φ = 86741568.

The previous prime is 164625103. The next prime is 164625107. The reversal of 164625105 is 501526461.

It is an interprime number because it is at equal distance from previous prime (164625103) and next prime (164625107).

It is not a de Polignac number, because 164625105 - 2¹ = 164625103 is a prime.

It is a super-2 number, since 2×164625105² = 54202850392522050, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (164625103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64870 + ... + 67359.

It is an arithmetic number, because the mean of its divisors is an integer number (16660980).

Almost surely, 2^164625105 is an apocalyptic number.

164625105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

164625105 is a deficient number, since it is larger than the sum of its proper divisors (101950575).

164625105 is a wasteful number, since it uses less digits than its factorization.

164625105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132320.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 164625105 is about 12830.6315121275. The cubic root of 164625105 is about 548.0649409337.

The spelling of 164625105 in words is "one hundred sixty-four million, six hundred twenty-five thousand, one hundred five".