167220471 has 8 divisors (see below), whose sum is σ = 243229824. Its totient is φ = 101345720.

The previous prime is 167220461. The next prime is 167220491. The reversal of 167220471 is 174022761.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 167220471 - 2⁵ = 167220439 is a prime.

It is a super-3 number, since 3×167220471³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (167220461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2533611 + ... + 2533676.

It is an arithmetic number, because the mean of its divisors is an integer number (30403728).

Almost surely, 2^167220471 is an apocalyptic number.

167220471 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

167220471 is a deficient number, since it is larger than the sum of its proper divisors (76009353).

167220471 is a wasteful number, since it uses less digits than its factorization.

167220471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5067301.

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 167220471 is about 12931.3754488840. The cubic root of 167220471 is about 550.9300747999.

The spelling of 167220471 in words is "one hundred sixty-seven million, two hundred twenty thousand, four hundred seventy-one".