164136205202 has 8 divisors (see below), whose sum is σ = 246342863676. Its totient is φ = 82021917312.

The previous prime is 164136205201. The next prime is 164136205291. The reversal of 164136205202 is 202502631461.

It can be written as a sum of positive squares in 2 ways, for example, as 161981295961 + 2154909241 = 402469^2 + 46421^2 .

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

It is a super-2 number, since 2×164136205202² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (164136205201) 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, 23088203 + ... + 23095310.

Almost surely, 2^164136205202 is an apocalyptic number.

164136205202 is a deficient number, since it is larger than the sum of its proper divisors (82206658474).

164136205202 is a wasteful number, since it uses less digits than its factorization.

164136205202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46185292.

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 164136205202 its reverse (202502631461), we get a palindrome (366638836663).

The spelling of 164136205202 in words is "one hundred sixty-four billion, one hundred thirty-six million, two hundred five thousand, two hundred two".