2001164602 has 4 divisors (see below), whose sum is σ = 3001746906. Its totient is φ = 1000582300.

The previous prime is 2001164591. The next prime is 2001164603. The reversal of 2001164602 is 2064611002.

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., 1306894801 + 694269801 = 36151^2 + 26349^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2001164603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500291149 + ... + 500291152.

Almost surely, 2^2001164602 is an apocalyptic number.

2001164602 is a deficient number, since it is larger than the sum of its proper divisors (1000582304).

2001164602 is a wasteful number, since it uses less digits than its factorization.

2001164602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000582303.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 2001164602 is about 44734.3783012573. The cubic root of 2001164602 is about 1260.1655535385.

Adding to 2001164602 its reverse (2064611002), we get a palindrome (4065775604).

The spelling of 2001164602 in words is "two billion, one million, one hundred sixty-four thousand, six hundred two".