164402146 has 8 divisors (see below), whose sum is σ = 251850240. Its totient is φ = 80452068.

The previous prime is 164402107. The next prime is 164402149. The reversal of 164402146 is 641204461.

164402146 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.

It is a super-3 number, since 3×164402146³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (164402149) 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, 874386 + ... + 874573.

It is an arithmetic number, because the mean of its divisors is an integer number (31481280).

Almost surely, 2^164402146 is an apocalyptic number.

164402146 is a deficient number, since it is larger than the sum of its proper divisors (87448094).

164402146 is a wasteful number, since it uses less digits than its factorization.

164402146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1749008.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 164402146 is about 12821.9400248168. The cubic root of 164402146 is about 547.8174063553.

The spelling of 164402146 in words is "one hundred sixty-four million, four hundred two thousand, one hundred forty-six".