167129797 has 4 divisors (see below), whose sum is σ = 168194476. Its totient is φ = 166065120.

The previous prime is 167129783. The next prime is 167129801. The reversal of 167129797 is 797921761.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14508481 + 152621316 = 3809^2 + 12354^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-167129797 is a prime.

It is a super-2 number, since 2×167129797² = 55864738090522418, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 167129797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (167129717) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 532104 + ... + 532417.

It is an arithmetic number, because the mean of its divisors is an integer number (42048619).

Almost surely, 2^167129797 is an apocalyptic number.

It is an amenable number.

167129797 is a deficient number, since it is larger than the sum of its proper divisors (1064679).

167129797 is a wasteful number, since it uses less digits than its factorization.

167129797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1064678.

The product of its digits is 333396, while the sum is 49.

The square root of 167129797 is about 12927.8690045962. The cubic root of 167129797 is about 550.8304776129.

The spelling of 167129797 in words is "one hundred sixty-seven million, one hundred twenty-nine thousand, seven hundred ninety-seven".