646150244346 has 24 divisors (see below), whose sum is σ = 1400010165684. Its totient is φ = 215380650240.

The previous prime is 646150244323. The next prime is 646150244353. The reversal of 646150244346 is 643442051646.

646150244346 is a `hidden beast` number, since 6 + 4 + 61 + 5 + 0 + 244 + 346 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 588603512025 + 57546732321 = 767205^2 + 239889^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1606986 + ... + 1968426.

Almost surely, 2^646150244346 is an apocalyptic number.

646150244346 is an abundant number, since it is smaller than the sum of its proper divisors (753859921338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

646150244346 is a wasteful number, since it uses less digits than its factorization.

646150244346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460766 (or 460763 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 45.

The spelling of 646150244346 in words is "six hundred forty-six billion, one hundred fifty million, two hundred forty-four thousand, three hundred forty-six".