164402147 has 8 divisors (see below), whose sum is σ = 202341216. Its totient is φ = 130076352.

The previous prime is 164402107. The next prime is 164402149. The reversal of 164402147 is 741204461.

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 164402147 - 2⁸ = 164401891 is a prime.

It is a super-3 number, since 3×164402147³ (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 7 ways as a sum of consecutive naturals, for example, 903218 + ... + 903399.

It is an arithmetic number, because the mean of its divisors is an integer number (25292652).

Almost surely, 2^164402147 is an apocalyptic number.

164402147 is a deficient number, since it is larger than the sum of its proper divisors (37939069).

164402147 is a wasteful number, since it uses less digits than its factorization.

164402147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1806637.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 164402147 is about 12821.9400638125. The cubic root of 164402147 is about 547.8174074661.

The spelling of 164402147 in words is "one hundred sixty-four million, four hundred two thousand, one hundred forty-seven".