961567671 has 8 divisors (see below), whose sum is σ = 1283263344. Its totient is φ = 640458560.

The previous prime is 961567661. The next prime is 961567721. The reversal of 961567671 is 176765169.

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 961567671 - 2⁵ = 961567639 is a prime.

It is a super-2 number, since 2×961567671² = 1849224771824728482, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 961567671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (961567631) 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, 142800 + ... + 149381.

It is an arithmetic number, because the mean of its divisors is an integer number (160407918).

Almost surely, 2^961567671 is an apocalyptic number.

961567671 is a deficient number, since it is larger than the sum of its proper divisors (321695673).

961567671 is a wasteful number, since it uses less digits than its factorization.

961567671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293281.

The product of its digits is 476280, while the sum is 48.

The square root of 961567671 is about 31009.1546321405. The cubic root of 961567671 is about 987.0215111991.

The spelling of 961567671 in words is "nine hundred sixty-one million, five hundred sixty-seven thousand, six hundred seventy-one".