164121202 has 16 divisors (see below), whose sum is σ = 296159040. Its totient is φ = 66635568.

The previous prime is 164121193. The next prime is 164121203. The reversal of 164121202 is 202121461.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 164121202.

It is not an unprimeable number, because it can be changed into a prime (164121203) 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, 308233 + ... + 308764.

It is an arithmetic number, because the mean of its divisors is an integer number (18509940).

Almost surely, 2^164121202 is an apocalyptic number.

164121202 is a deficient number, since it is larger than the sum of its proper divisors (132037838).

164121202 is a wasteful number, since it uses less digits than its factorization.

164121202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617025.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 164121202 is about 12810.9797439540. The cubic root of 164121202 is about 547.5051765181.

Adding to 164121202 its reverse (202121461), we get a palindrome (366242663).

The spelling of 164121202 in words is "one hundred sixty-four million, one hundred twenty-one thousand, two hundred two".