190912248648 has 256 divisors, whose sum is σ = 607987353600. Its totient is φ = 54978497280.

The previous prime is 190912248629. The next prime is 190912248689. The reversal of 190912248648 is 846842219091.

It is a happy number.

190912248648 is a `hidden beast` number, since 19 + 0 + 91 + 22 + 486 + 48 = 666.

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 = 190912248594 and 190912248603.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3754965 + ... + 3805467.

It is an arithmetic number, because the mean of its divisors is an integer number (2374950600).

Almost surely, 2^190912248648 is an apocalyptic number.

190912248648 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 190912248648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (303993676800).

190912248648 is an abundant number, since it is smaller than the sum of its proper divisors (417075104952).

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

190912248648 is a wasteful number, since it uses less digits than its factorization.

190912248648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50609 (or 50599 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 54.

The spelling of 190912248648 in words is "one hundred ninety billion, nine hundred twelve million, two hundred forty-eight thousand, six hundred forty-eight".