190463157648 has 50 divisors (see below), whose sum is σ = 551255639814. Its totient is φ = 63487718784.

The previous prime is 190463157607. The next prime is 190463157691. The reversal of 190463157648 is 846751364091.

190463157648 is a `hidden beast` number, since 1 + 9 + 0 + 4 + 63 + 1 + 576 + 4 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 165281276304 + 25181881344 = 406548^2 + 158688^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 190463157594 and 190463157603.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 73479861 + ... + 73482452.

Almost surely, 2^190463157648 is an apocalyptic number.

190463157648 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

190463157648 is an abundant number, since it is smaller than the sum of its proper divisors (360792482166).

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

190463157648 is a wasteful number, since it uses less digits than its factorization.

190463157648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146962333 (or 146962318 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 190463157648 in words is "one hundred ninety billion, four hundred sixty-three million, one hundred fifty-seven thousand, six hundred forty-eight".