167650565066 has 4 divisors (see below), whose sum is σ = 251475847602. Its totient is φ = 83825282532.

The previous prime is 167650565063. The next prime is 167650565081. The reversal of 167650565066 is 660565056761.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 660565056761 = 53 ⋅12463491637.

It can be written as a sum of positive squares in only one way, i.e., 166521941041 + 1128624025 = 408071^2 + 33595^2 .

It is a junction number, because it is equal to n+sod(n) for n = 167650564999 and 167650565017.

It is not an unprimeable number, because it can be changed into a prime (167650565063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41912641265 + ... + 41912641268.

Almost surely, 2^167650565066 is an apocalyptic number.

167650565066 is a deficient number, since it is larger than the sum of its proper divisors (83825282536).

167650565066 is an equidigital number, since it uses as much as digits as its factorization.

167650565066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83825282535.

The product of its (nonzero) digits is 6804000, while the sum is 53.

The spelling of 167650565066 in words is "one hundred sixty-seven billion, six hundred fifty million, five hundred sixty-five thousand, sixty-six".