164312002 has 4 divisors (see below), whose sum is σ = 246468006. Its totient is φ = 82156000.

The previous prime is 164311967. The next prime is 164312003. The reversal of 164312002 is 200213461.

164312002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 145467721 + 18844281 = 12061^2 + 4341^2 .

It is not an unprimeable number, because it can be changed into a prime (164312003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41077999 + ... + 41078002.

Almost surely, 2^164312002 is an apocalyptic number.

164312002 is a deficient number, since it is larger than the sum of its proper divisors (82156004).

164312002 is an equidigital number, since it uses as much as digits as its factorization.

164312002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82156003.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 164312002 is about 12818.4243181446. The cubic root of 164312002 is about 547.7172627300.

Adding to 164312002 its reverse (200213461), we get a palindrome (364525463).

The spelling of 164312002 in words is "one hundred sixty-four million, three hundred twelve thousand, two".