164390007 has 8 divisors (see below), whose sum is σ = 219387376. Its totient is φ = 109492992.

The previous prime is 164389997. The next prime is 164390011. The reversal of 164390007 is 700093461.

It is a happy number.

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

It is not a de Polignac number, because 164390007 - 2¹¹ = 164387959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164390077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21178 + ... + 27879.

It is an arithmetic number, because the mean of its divisors is an integer number (27423422).

Almost surely, 2^164390007 is an apocalyptic number.

164390007 is a deficient number, since it is larger than the sum of its proper divisors (54997369).

164390007 is a wasteful number, since it uses less digits than its factorization.

164390007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50177.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 164390007 is about 12821.4666477747. The cubic root of 164390007 is about 547.8039229158.

The spelling of 164390007 in words is "one hundred sixty-four million, three hundred ninety thousand, seven".