1646056242 has 24 divisors (see below), whose sum is σ = 3698547216. Its totient is φ = 548685252.

The previous prime is 1646056207. The next prime is 1646056253. The reversal of 1646056242 is 2426506461.

1646056242 is a `hidden beast` number, since 1 + 6 + 4 + 605 + 6 + 2 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1646056197 and 1646056206.

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, 1692988 + ... + 1693959.

It is an arithmetic number, because the mean of its divisors is an integer number (154106134).

Almost surely, 2^1646056242 is an apocalyptic number.

1646056242 is an abundant number, since it is smaller than the sum of its proper divisors (2052490974).

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

1646056242 is an equidigital number, since it uses as much as digits as its factorization.

1646056242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3386964 (or 3386952 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 1646056242 is about 40571.6186761140. The cubic root of 1646056242 is about 1180.7235440904.

The spelling of 1646056242 in words is "one billion, six hundred forty-six million, fifty-six thousand, two hundred forty-two".