192150991 has 2 divisors, whose sum is σ = 192150992. Its totient is φ = 192150990.

The previous prime is 192150967. The next prime is 192151007. The reversal of 192150991 is 199051291.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 192150991 - 2⁷ = 192150863 is a prime.

It is equal to p_10667854 and since 192150991 and 10667854 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 192150991.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (192150391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96075495 + 96075496.

It is an arithmetic number, because the mean of its divisors is an integer number (96075496).

Almost surely, 2^192150991 is an apocalyptic number.

192150991 is a deficient number, since it is larger than the sum of its proper divisors (1).

192150991 is an equidigital number, since it uses as much as digits as its factorization.

192150991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7290, while the sum is 37.

The square root of 192150991 is about 13861.8538082033. The cubic root of 192150991 is about 577.0510153765.

The spelling of 192150991 in words is "one hundred ninety-two million, one hundred fifty thousand, nine hundred ninety-one".