167816339923 has 2 divisors, whose sum is σ = 167816339924. Its totient is φ = 167816339922.

The previous prime is 167816339909. The next prime is 167816339939. The reversal of 167816339923 is 329933618761.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 167816339923 - 2¹³ = 167816331731 is a prime.

It is not a weakly prime, because it can be changed into another prime (167816339623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83908169961 + 83908169962.

It is an arithmetic number, because the mean of its divisors is an integer number (83908169962).

Almost surely, 2^167816339923 is an apocalyptic number.

167816339923 is a deficient number, since it is larger than the sum of its proper divisors (1).

167816339923 is an equidigital number, since it uses as much as digits as its factorization.

167816339923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8817984, while the sum is 58.

The spelling of 167816339923 in words is "one hundred sixty-seven billion, eight hundred sixteen million, three hundred thirty-nine thousand, nine hundred twenty-three".