191646048 has 96 divisors (see below), whose sum is σ = 553512960. Its totient is φ = 57576960.

The previous prime is 191646041. The next prime is 191646053. The reversal of 191646048 is 840646191.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 191645997 and 191646015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (191646041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133398 + ... + 134826.

It is an arithmetic number, because the mean of its divisors is an integer number (5765760).

Almost surely, 2^191646048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 191646048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276756480).

191646048 is an abundant number, since it is smaller than the sum of its proper divisors (361866912).

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

191646048 is a wasteful number, since it uses less digits than its factorization.

191646048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1580 (or 1572 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 191646048 is about 13843.6284261027. The cubic root of 191646048 is about 576.5451051119.

The spelling of 191646048 in words is "one hundred ninety-one million, six hundred forty-six thousand, forty-eight".