167020247 has 4 divisors (see below), whose sum is σ = 167386176. Its totient is φ = 166654320.

The previous prime is 167020177. The next prime is 167020261. The reversal of 167020247 is 742020761.

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

It is a cyclic number.

It is not a de Polignac number, because 167020247 - 2¹⁸ = 166758103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (167020267) 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, 182279 + ... + 183192.

It is an arithmetic number, because the mean of its divisors is an integer number (41846544).

Almost surely, 2^167020247 is an apocalyptic number.

167020247 is a deficient number, since it is larger than the sum of its proper divisors (365929).

167020247 is an equidigital number, since it uses as much as digits as its factorization.

167020247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365928.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 167020247 is about 12923.6313395268. The cubic root of 167020247 is about 550.7100987829.

The spelling of 167020247 in words is "one hundred sixty-seven million, twenty thousand, two hundred forty-seven".