167949749 has 24 divisors (see below), whose sum is σ = 203179968. Its totient is φ = 137392640.

The previous prime is 167949737. The next prime is 167949781. The reversal of 167949749 is 947949761.

It is not a de Polignac number, because 167949749 - 2¹² = 167945653 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 167949694 and 167949703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (167949709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71969 + ... + 74265.

It is an arithmetic number, because the mean of its divisors is an integer number (8465832).

Almost surely, 2^167949749 is an apocalyptic number.

It is an amenable number.

167949749 is a deficient number, since it is larger than the sum of its proper divisors (35230219).

167949749 is a wasteful number, since it uses less digits than its factorization.

167949749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2365 (or 2348 counting only the distinct ones).

The product of its digits is 3429216, while the sum is 56.

The square root of 167949749 is about 12959.5427774285. The cubic root of 167949749 is about 551.7298144334.

The spelling of 167949749 in words is "one hundred sixty-seven million, nine hundred forty-nine thousand, seven hundred forty-nine".