646063162 has 8 divisors (see below), whose sum is σ = 970228116. Its totient is φ = 322653792.

The previous prime is 646063153. The next prime is 646063177. The reversal of 646063162 is 261360646.

It can be written as a sum of positive squares in 2 ways, for example, as 588014001 + 58049161 = 24249^2 + 7619^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186753 + ... + 190180.

Almost surely, 2^646063162 is an apocalyptic number.

646063162 is a deficient number, since it is larger than the sum of its proper divisors (324164954).

646063162 is a wasteful number, since it uses less digits than its factorization.

646063162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377792.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 646063162 is about 25417.7725617333. The cubic root of 646063162 is about 864.4867201115.

The spelling of 646063162 in words is "six hundred forty-six million, sixty-three thousand, one hundred sixty-two".