82188151 has 2 divisors, whose sum is σ = 82188152. Its totient is φ = 82188150.

The previous prime is 82188143. The next prime is 82188173. The reversal of 82188151 is 15188128.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82188151 - 2³ = 82188143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82188451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41094075 + 41094076.

It is an arithmetic number, because the mean of its divisors is an integer number (41094076).

Almost surely, 2^82188151 is an apocalyptic number.

82188151 is a deficient number, since it is larger than the sum of its proper divisors (1).

82188151 is an equidigital number, since it uses as much as digits as its factorization.

82188151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5120, while the sum is 34.

The square root of 82188151 is about 9065.7680865992. The cubic root of 82188151 is about 434.7801787135.

The spelling of 82188151 in words is "eighty-two million, one hundred eighty-eight thousand, one hundred fifty-one".