64016002 has 4 divisors (see below), whose sum is σ = 96024006. Its totient is φ = 32008000.

The previous prime is 64015993. The next prime is 64016011. The reversal of 64016002 is 20061046.

It is a Cunningham number, because it is equal to 8001²+1.

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

It is an interprime number because it is at equal distance from previous prime (64015993) and next prime (64016011).

It can be written as a sum of positive squares in only one way, i.e., 64016001 + 1 = 8001^2 + 1^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16003999 + ... + 16004002.

Almost surely, 2^64016002 is an apocalyptic number.

64016002 is a deficient number, since it is larger than the sum of its proper divisors (32008004).

64016002 is a wasteful number, since it uses less digits than its factorization.

64016002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32008003.

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

The square root of 64016002 is about 8001.0000624922. Note that the first 4 decimals coincide. The cubic root of 64016002 is about 400.0333347219.

Adding to 64016002 its reverse (20061046), we get a palindrome (84077048).

It can be divided in two parts, 6401 and 6002, that added together give a triangular number (12403 = T₁₅₇).

The spelling of 64016002 in words is "sixty-four million, sixteen thousand, two".