167222284487 has 4 divisors (see below), whose sum is σ = 167371992216. Its totient is φ = 167072576760.

The previous prime is 167222284457. The next prime is 167222284589. The reversal of 167222284487 is 784482222761.

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 167222284487 - 2¹⁶ = 167222218951 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 (167222284447) 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, 74852189 + ... + 74854422.

It is an arithmetic number, because the mean of its divisors is an integer number (41842998054).

Almost surely, 2^167222284487 is an apocalyptic number.

167222284487 is a deficient number, since it is larger than the sum of its proper divisors (149707729).

167222284487 is a wasteful number, since it uses less digits than its factorization.

167222284487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149707728.

The product of its digits is 4816896, while the sum is 53.

The spelling of 167222284487 in words is "one hundred sixty-seven billion, two hundred twenty-two million, two hundred eighty-four thousand, four hundred eighty-seven".