167272993 has 16 divisors (see below), whose sum is σ = 175841280. Its totient is φ = 158936400.

The previous prime is 167272991. The next prime is 167273009. The reversal of 167272993 is 399272761.

It is a cyclic number.

It is not a de Polignac number, because 167272993 - 2¹ = 167272991 is a prime.

It is a Duffinian number.

Its product of digits (285768) is a multiple of the sum of its prime divisors (588).

It is not an unprimeable number, because it can be changed into a prime (167272991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 699768 + ... + 700006.

It is an arithmetic number, because the mean of its divisors is an integer number (10990080).

Almost surely, 2^167272993 is an apocalyptic number.

It is an amenable number.

167272993 is a deficient number, since it is larger than the sum of its proper divisors (8568287).

167272993 is a wasteful number, since it uses less digits than its factorization.

167272993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588.

The product of its digits is 285768, while the sum is 46.

The square root of 167272993 is about 12933.4060865651. The cubic root of 167272993 is about 550.9877489994.

The spelling of 167272993 in words is "one hundred sixty-seven million, two hundred seventy-two thousand, nine hundred ninety-three".