67108149 has 16 divisors (see below), whose sum is σ = 102627840. Its totient is φ = 43295040.

The previous prime is 67108127. The next prime is 67108177. The reversal of 67108149 is 94180176.

It is not a de Polignac number, because 67108149 - 2¹² = 67104053 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67108109) 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, 39252 + ... + 40925.

It is an arithmetic number, because the mean of its divisors is an integer number (6414240).

Almost surely, 2^67108149 is an apocalyptic number.

It is an amenable number.

67108149 is a deficient number, since it is larger than the sum of its proper divisors (35519691).

67108149 is a wasteful number, since it uses less digits than its factorization.

67108149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80217 (or 80211 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 67108149 is about 8191.9563597470. The cubic root of 67108149 is about 406.3732260821.

The spelling of 67108149 in words is "sixty-seven million, one hundred eight thousand, one hundred forty-nine".