1971675655016 has 16 divisors (see below), whose sum is σ = 3719028932640. Its totient is φ = 979934606320.

The previous prime is 1971675654989. The next prime is 1971675655021. The reversal of 1971675655016 is 6105565761791.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 737901230 + ... + 737903901.

It is an arithmetic number, because the mean of its divisors is an integer number (232439308290).

Almost surely, 2^{1971675655016} is an apocalyptic number.

It is an amenable number.

1971675655016 is a deficient number, since it is larger than the sum of its proper divisors (1747353277624).

1971675655016 is a wasteful number, since it uses less digits than its factorization.

1971675655016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1475805304 (or 1475805300 counting only the distinct ones).

The product of its (nonzero) digits is 11907000, while the sum is 59.

The spelling of 1971675655016 in words is "one trillion, nine hundred seventy-one billion, six hundred seventy-five million, six hundred fifty-five thousand, sixteen".