167961047 has 2 divisors, whose sum is σ = 167961048. Its totient is φ = 167961046.

The previous prime is 167960993. The next prime is 167961061. The reversal of 167961047 is 740169761.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 167961047 - 2⁸ = 167960791 is a prime.

It is a Chen prime.

It is equal to p_9395348 and since 167961047 and 9395348 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 167960995 and 167961013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (167961077) 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, 83980523 + 83980524.

It is an arithmetic number, because the mean of its divisors is an integer number (83980524).

Almost surely, 2^167961047 is an apocalyptic number.

167961047 is a deficient number, since it is larger than the sum of its proper divisors (1).

167961047 is an equidigital number, since it uses as much as digits as its factorization.

167961047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 167961047 is about 12959.9786651059. The cubic root of 167961047 is about 551.7421857998.

It can be divided in two parts, 1679 and 61047, that added together give a palindrome (62726).

The spelling of 167961047 in words is "one hundred sixty-seven million, nine hundred sixty-one thousand, forty-seven".