164770963 has 4 divisors (see below), whose sum is σ = 188309680. Its totient is φ = 141232248.

The previous prime is 164770937. The next prime is 164770979. The reversal of 164770963 is 369077461.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 164770963 - 2¹³ = 164762771 is a prime.

It is a super-3 number, since 3×164770963³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164770913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11769348 + ... + 11769361.

It is an arithmetic number, because the mean of its divisors is an integer number (47077420).

Almost surely, 2^164770963 is an apocalyptic number.

164770963 is a deficient number, since it is larger than the sum of its proper divisors (23538717).

164770963 is an equidigital number, since it uses as much as digits as its factorization.

164770963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23538716.

The product of its (nonzero) digits is 190512, while the sum is 43.

The square root of 164770963 is about 12836.3142295598. The cubic root of 164770963 is about 548.2267551740.

The spelling of 164770963 in words is "one hundred sixty-four million, seven hundred seventy thousand, nine hundred sixty-three".