667616002 has 8 divisors (see below), whose sum is σ = 1001612556. Its totient is φ = 333745152.

The previous prime is 667615999. The next prime is 667616021. The reversal of 667616002 is 200616766.

It can be written as a sum of positive squares in 2 ways, for example, as 542377521 + 125238481 = 23289^2 + 11191^2 .

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

It is a super-2 number, since 2×667616002² = 891422252252928008, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16783 + ... + 40210.

Almost surely, 2^667616002 is an apocalyptic number.

667616002 is a deficient number, since it is larger than the sum of its proper divisors (333996554).

667616002 is a wasteful number, since it uses less digits than its factorization.

667616002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62852.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 667616002 is about 25838.2662344051. The cubic root of 667616002 is about 873.9949284668.

The spelling of 667616002 in words is "six hundred sixty-seven million, six hundred sixteen thousand, two".