1976680697446 has 128 divisors (see below), whose sum is σ = 3819490246656. Its totient is φ = 746273139840.

The previous prime is 1976680697419. The next prime is 1976680697447. The reversal of 1976680697446 is 6447960866791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1976680697447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 134616421 + ... + 134631103.

It is an arithmetic number, because the mean of its divisors is an integer number (29839767552).

Almost surely, 2^{1976680697446} is an apocalyptic number.

1976680697446 is a deficient number, since it is larger than the sum of its proper divisors (1842809549210).

1976680697446 is a wasteful number, since it uses less digits than its factorization.

1976680697446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15066.

The product of its (nonzero) digits is 658409472, while the sum is 73.

The spelling of 1976680697446 in words is "one trillion, nine hundred seventy-six billion, six hundred eighty million, six hundred ninety-seven thousand, four hundred forty-six".