164070642 has 8 divisors (see below), whose sum is σ = 328141296. Its totient is φ = 54690212.

The previous prime is 164070637. The next prime is 164070649. The reversal of 164070642 is 246070461.

164070642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

164070642 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (164070649) 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, 13672548 + ... + 13672559.

It is an arithmetic number, because the mean of its divisors is an integer number (41017662).

Almost surely, 2^164070642 is an apocalyptic number.

164070642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164070642 is a wasteful number, since it uses less digits than its factorization.

164070642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27345112.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 164070642 is about 12809.0062846421. The cubic root of 164070642 is about 547.4489483476.

The spelling of 164070642 in words is "one hundred sixty-four million, seventy thousand, six hundred forty-two".