1985677133296 has 40 divisors (see below), whose sum is σ = 3856358646000. Its totient is φ = 990488432640.

The previous prime is 1985677133287. The next prime is 1985677133299. The reversal of 1985677133296 is 6923317765891.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1985677133299) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67665795 + ... + 67695133.

It is an arithmetic number, because the mean of its divisors is an integer number (96408966150).

Almost surely, 2^{1985677133296} is an apocalyptic number.

1985677133296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1985677133296 is a deficient number, since it is larger than the sum of its proper divisors (1870681512704).

1985677133296 is a wasteful number, since it uses less digits than its factorization.

1985677133296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39217 (or 39211 counting only the distinct ones).

The product of its digits is 102876480, while the sum is 67.

The spelling of 1985677133296 in words is "one trillion, nine hundred eighty-five billion, six hundred seventy-seven million, one hundred thirty-three thousand, two hundred ninety-six".