164428070 has 8 divisors (see below), whose sum is σ = 295970544. Its totient is φ = 65771224.

The previous prime is 164428049. The next prime is 164428079. The reversal of 164428070 is 70824461.

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

It is a super-3 number, since 3×164428070³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164428079) 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, 8221394 + ... + 8221413.

It is an arithmetic number, because the mean of its divisors is an integer number (36996318).

Almost surely, 2^164428070 is an apocalyptic number.

164428070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164428070 is a deficient number, since it is larger than the sum of its proper divisors (131542474).

164428070 is a wasteful number, since it uses less digits than its factorization.

164428070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16442814.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 164428070 is about 12822.9509084298. The cubic root of 164428070 is about 547.8461993129.

The spelling of 164428070 in words is "one hundred sixty-four million, four hundred twenty-eight thousand, seventy".