191676960 has 72 divisors (see below), whose sum is σ = 654102540. Its totient is φ = 51113472.

The previous prime is 191676943. The next prime is 191676967. The reversal of 191676960 is 69676191.

It can be written as a sum of positive squares in 2 ways, for example, as 191434896 + 242064 = 13836^2 + 492^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (191676967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65115 + ... + 67994.

Almost surely, 2^191676960 is an apocalyptic number.

191676960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

191676960 is an abundant number, since it is smaller than the sum of its proper divisors (462425580).

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

191676960 is a wasteful number, since it uses less digits than its factorization.

191676960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133130 (or 133119 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The square root of 191676960 is about 13844.7448513868. The cubic root of 191676960 is about 576.5761018449.

The spelling of 191676960 in words is "one hundred ninety-one million, six hundred seventy-six thousand, nine hundred sixty".