169147051 has 2 divisors, whose sum is σ = 169147052. Its totient is φ = 169147050.

The previous prime is 169147039. The next prime is 169147057. The reversal of 169147051 is 150741961.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 169147051 - 2⁵ = 169147019 is a prime.

It is a super-2 number, since 2×169147051² = 57221449723993202, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 169146998 and 169147016.

It is not a weakly prime, because it can be changed into another prime (169147057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84573525 + 84573526.

It is an arithmetic number, because the mean of its divisors is an integer number (84573526).

Almost surely, 2^169147051 is an apocalyptic number.

169147051 is a deficient number, since it is larger than the sum of its proper divisors (1).

169147051 is an equidigital number, since it uses as much as digits as its factorization.

169147051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 34.

The square root of 169147051 is about 13005.6545779134. The cubic root of 169147051 is about 553.0377922499.

The spelling of 169147051 in words is "one hundred sixty-nine million, one hundred forty-seven thousand, fifty-one".