164348775 has 36 divisors (see below), whose sum is σ = 311689872. Its totient is φ = 82494720.

The previous prime is 164348773. The next prime is 164348791. The reversal of 164348775 is 577843461.

164348775 is a `hidden beast` number, since 164 + 3 + 487 + 7 + 5 = 666.

It is not a de Polignac number, because 164348775 - 2¹ = 164348773 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 164348775.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164348773) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 17659 + ... + 25308.

It is an arithmetic number, because the mean of its divisors is an integer number (8658052).

Almost surely, 2^164348775 is an apocalyptic number.

164348775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

164348775 is a deficient number, since it is larger than the sum of its proper divisors (147341097).

164348775 is a wasteful number, since it uses less digits than its factorization.

164348775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43000 (or 42992 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The square root of 164348775 is about 12819.8586185652. The cubic root of 164348775 is about 547.7581193611.

The spelling of 164348775 in words is "one hundred sixty-four million, three hundred forty-eight thousand, seven hundred seventy-five".