167542087 has 2 divisors, whose sum is σ = 167542088. Its totient is φ = 167542086.

The previous prime is 167542043. The next prime is 167542091. The reversal of 167542087 is 780245761.

It is a strong prime.

It is an emirp because it is prime and its reverse (780245761) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-167542087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (167542387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83771043 + 83771044.

It is an arithmetic number, because the mean of its divisors is an integer number (83771044).

Almost surely, 2^167542087 is an apocalyptic number.

167542087 is a deficient number, since it is larger than the sum of its proper divisors (1).

167542087 is an equidigital number, since it uses as much as digits as its factorization.

167542087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 94080, while the sum is 40.

The square root of 167542087 is about 12943.8049660832. The cubic root of 167542087 is about 551.2830508273.

The spelling of 167542087 in words is "one hundred sixty-seven million, five hundred forty-two thousand, eighty-seven".