971685016 has 8 divisors (see below), whose sum is σ = 1821909420. Its totient is φ = 485842504.

The previous prime is 971684999. The next prime is 971685019. The reversal of 971685016 is 610586179.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (971685019) 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 as a sum of consecutive naturals, namely, 60730306 + ... + 60730321.

Almost surely, 2^971685016 is an apocalyptic number.

It is an amenable number.

971685016 is a deficient number, since it is larger than the sum of its proper divisors (850224404).

971685016 is a wasteful number, since it uses less digits than its factorization.

971685016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121460633 (or 121460629 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 971685016 is about 31171.8625686692. The cubic root of 971685016 is about 990.4711616418.

The spelling of 971685016 in words is "nine hundred seventy-one million, six hundred eighty-five thousand, sixteen".