164894703 has 8 divisors (see below), whose sum is σ = 220128768. Its totient is φ = 109795224.

The previous prime is 164894699. The next prime is 164894729. The reversal of 164894703 is 307498461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 164894703 - 2² = 164894699 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164896703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30751 + ... + 35712.

It is an arithmetic number, because the mean of its divisors is an integer number (27516096).

Almost surely, 2^164894703 is an apocalyptic number.

164894703 is a deficient number, since it is larger than the sum of its proper divisors (55234065).

164894703 is an equidigital number, since it uses as much as digits as its factorization.

164894703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67293.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 164894703 is about 12841.1332443831. The cubic root of 164894703 is about 548.3639569457.

The spelling of 164894703 in words is "one hundred sixty-four million, eight hundred ninety-four thousand, seven hundred three".