646204162 has 8 divisors (see below), whose sum is σ = 975110976. Its totient is φ = 321167172.

The previous prime is 646204147. The next prime is 646204177. The reversal of 646204162 is 261402646.

It is an interprime number because it is at equal distance from previous prime (646204147) and next prime (646204177).

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

It is a super-2 number, since 2×646204162² = 835159637972244488, 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, 967038 + ... + 967705.

It is an arithmetic number, because the mean of its divisors is an integer number (121888872).

Almost surely, 2^646204162 is an apocalyptic number.

646204162 is a deficient number, since it is larger than the sum of its proper divisors (328906814).

646204162 is a wasteful number, since it uses less digits than its factorization.

646204162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1934912.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 646204162 is about 25420.5460602246. The cubic root of 646204162 is about 864.5496054806.

The spelling of 646204162 in words is "six hundred forty-six million, two hundred four thousand, one hundred sixty-two".