167164742 has 16 divisors (see below), whose sum is σ = 259816032. Its totient is φ = 80599680.

The previous prime is 167164691. The next prime is 167164769. The reversal of 167164742 is 247461761.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 167164696 and 167164705.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1634 + ... + 18357.

It is an arithmetic number, because the mean of its divisors is an integer number (16238502).

Almost surely, 2^167164742 is an apocalyptic number.

167164742 is a deficient number, since it is larger than the sum of its proper divisors (92651290).

167164742 is a wasteful number, since it uses less digits than its factorization.

167164742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20143.

The product of its digits is 56448, while the sum is 38.

The square root of 167164742 is about 12929.2204714747. The cubic root of 167164742 is about 550.8688657997.

The spelling of 167164742 in words is "one hundred sixty-seven million, one hundred sixty-four thousand, seven hundred forty-two".