167421149 has 8 divisors (see below), whose sum is σ = 194475648. Its totient is φ = 141150960.

The previous prime is 167421119. The next prime is 167421157. The reversal of 167421149 is 941124761.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-167421149 is a prime.

It is a super-2 number, since 2×167421149² = 56059682264960402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (167421119) by changing a digit.

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, 195617 + ... + 196470.

It is an arithmetic number, because the mean of its divisors is an integer number (24309456).

Almost surely, 2^167421149 is an apocalyptic number.

It is an amenable number.

167421149 is a deficient number, since it is larger than the sum of its proper divisors (27054499).

167421149 is an equidigital number, since it uses as much as digits as its factorization.

167421149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392155.

The product of its digits is 12096, while the sum is 35.

The square root of 167421149 is about 12939.1324670551. The cubic root of 167421149 is about 551.1503734821.

The spelling of 167421149 in words is "one hundred sixty-seven million, four hundred twenty-one thousand, one hundred forty-nine".