191950512 has 80 divisors (see below), whose sum is σ = 551298048. Its totient is φ = 57150720.

The previous prime is 191950463. The next prime is 191950513. The reversal of 191950512 is 215059191.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (191950513) 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, 14383 + ... + 24305.

Almost surely, 2^191950512 is an apocalyptic number.

191950512 is a gapful number since it is divisible by the number (12) 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 191950512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275649024).

191950512 is an abundant number, since it is smaller than the sum of its proper divisors (359347536).

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

191950512 is a wasteful number, since it uses less digits than its factorization.

191950512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9978 (or 9972 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 33.

The square root of 191950512 is about 13854.6206010847. The cubic root of 191950512 is about 576.8502585536.

The spelling of 191950512 in words is "one hundred ninety-one million, nine hundred fifty thousand, five hundred twelve".