67961151 has 24 divisors (see below), whose sum is σ = 99939840. Its totient is φ = 44497296.

The previous prime is 67961141. The next prime is 67961161. The reversal of 67961151 is 15116976.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (67961141) and next prime (67961161).

It is not a de Polignac number, because 67961151 - 2⁹ = 67960639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67961111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 154590 + ... + 155028.

It is an arithmetic number, because the mean of its divisors is an integer number (4164160).

Almost surely, 2^67961151 is an apocalyptic number.

67961151 is a deficient number, since it is larger than the sum of its proper divisors (31978689).

67961151 is a wasteful number, since it uses less digits than its factorization.

67961151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715 (or 712 counting only the distinct ones).

The product of its digits is 11340, while the sum is 36.

The square root of 67961151 is about 8243.8553480759. The cubic root of 67961151 is about 408.0877658654.

The spelling of 67961151 in words is "sixty-seven million, nine hundred sixty-one thousand, one hundred fifty-one".