1648485858 has 16 divisors (see below), whose sum is σ = 3298304736. Its totient is φ = 549273120.

The previous prime is 1648485833. The next prime is 1648485911. The reversal of 1648485858 is 8585848461.

It is a junction number, because it is equal to n+sod(n) for n = 1648485798 and 1648485807.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39091 + ... + 69462.

It is an arithmetic number, because the mean of its divisors is an integer number (206144046).

Almost surely, 2^1648485858 is an apocalyptic number.

1648485858 is an abundant number, since it is smaller than the sum of its proper divisors (1649818878).

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

1648485858 is a wasteful number, since it uses less digits than its factorization.

1648485858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111089.

The product of its digits is 9830400, while the sum is 57.

The square root of 1648485858 is about 40601.5499457841. The cubic root of 1648485858 is about 1181.3041833325.

The spelling of 1648485858 in words is "one billion, six hundred forty-eight million, four hundred eighty-five thousand, eight hundred fifty-eight".