169956151 has 2 divisors, whose sum is σ = 169956152. Its totient is φ = 169956150.

The previous prime is 169956113. The next prime is 169956161. The reversal of 169956151 is 151659961.

It is a strong prime.

It is an emirp because it is prime and its reverse (151659961) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 169956151 - 2⁷ = 169956023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 169956098 and 169956107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (169956161) 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, 84978075 + 84978076.

It is an arithmetic number, because the mean of its divisors is an integer number (84978076).

Almost surely, 2^169956151 is an apocalyptic number.

169956151 is a deficient number, since it is larger than the sum of its proper divisors (1).

169956151 is an equidigital number, since it uses as much as digits as its factorization.

169956151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72900, while the sum is 43.

The square root of 169956151 is about 13036.7231695699. The cubic root of 169956151 is about 553.9181924671.

The spelling of 169956151 in words is "one hundred sixty-nine million, nine hundred fifty-six thousand, one hundred fifty-one".