164217763 has 4 divisors (see below), whose sum is σ = 164271528. Its totient is φ = 164164000.

The previous prime is 164217743. The next prime is 164217787. The reversal of 164217763 is 367712461.

164217763 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 367712461 = 73 ⋅5037157.

It is a cyclic number.

It is not a de Polignac number, because 164217763 - 2²¹ = 162120611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164217743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22006 + ... + 28507.

It is an arithmetic number, because the mean of its divisors is an integer number (41067882).

Almost surely, 2^164217763 is an apocalyptic number.

164217763 is a deficient number, since it is larger than the sum of its proper divisors (53765).

164217763 is an equidigital number, since it uses as much as digits as its factorization.

164217763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53764.

The product of its digits is 42336, while the sum is 37.

The square root of 164217763 is about 12814.7478711054. The cubic root of 164217763 is about 547.6125306804.

The spelling of 164217763 in words is "one hundred sixty-four million, two hundred seventeen thousand, seven hundred sixty-three".