192081091 has 2 divisors, whose sum is σ = 192081092. Its totient is φ = 192081090.

The previous prime is 192081083. The next prime is 192081101. The reversal of 192081091 is 190180291.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 192081091 - 2³ = 192081083 is a prime.

It is equal to p_10664239 and since 192081091 and 10664239 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (192081061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96040545 + 96040546.

It is an arithmetic number, because the mean of its divisors is an integer number (96040546).

Almost surely, 2^192081091 is an apocalyptic number.

192081091 is a deficient number, since it is larger than the sum of its proper divisors (1).

192081091 is an equidigital number, since it uses as much as digits as its factorization.

192081091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 31.

The square root of 192081091 is about 13859.3322710728. The cubic root of 192081091 is about 576.9810343721.

The spelling of 192081091 in words is "one hundred ninety-two million, eighty-one thousand, ninety-one".