190630895648 has 54 divisors (see below), whose sum is σ = 380504864061. Its totient is φ = 94012598784.

The previous prime is 190630895633. The next prime is 190630895659. The reversal of 190630895648 is 846598036091.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 142119952144 + 48510943504 = 376988^2 + 220252^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=308732.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 195118136 + ... + 195119112.

Almost surely, 2^190630895648 is an apocalyptic number.

It is an amenable number.

190630895648 is a deficient number, since it is larger than the sum of its proper divisors (189873968413).

190630895648 is an frugal number, since it uses more digits than its factorization.

190630895648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2122 (or 1058 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 59.

The spelling of 190630895648 in words is "one hundred ninety billion, six hundred thirty million, eight hundred ninety-five thousand, six hundred forty-eight".