167992553 has 2 divisors, whose sum is σ = 167992554. Its totient is φ = 167992552.

The previous prime is 167992541. The next prime is 167992567. The reversal of 167992553 is 355299761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92006464 + 75986089 = 9592^2 + 8717^2 .

It is an emirp because it is prime and its reverse (355299761) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-167992553 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 167992498 and 167992507.

It is not a weakly prime, because it can be changed into another prime (167998553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83996276 + 83996277.

It is an arithmetic number, because the mean of its divisors is an integer number (83996277).

Almost surely, 2^167992553 is an apocalyptic number.

It is an amenable number.

167992553 is a deficient number, since it is larger than the sum of its proper divisors (1).

167992553 is an equidigital number, since it uses as much as digits as its factorization.

167992553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 510300, while the sum is 47.

The square root of 167992553 is about 12961.1941193703. The cubic root of 167992553 is about 551.7766820969.

The spelling of 167992553 in words is "one hundred sixty-seven million, nine hundred ninety-two thousand, five hundred fifty-three".