1682690642544 has 80 divisors (see below), whose sum is σ = 4536992676384. Its totient is φ = 536891596800.

The previous prime is 1682690642539. The next prime is 1682690642587. The reversal of 1682690642544 is 4452460962861.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7961977 + ... + 8170584.

Almost surely, 2^{1682690642544} is an apocalyptic number.

It is an amenable number.

1682690642544 is an abundant number, since it is smaller than the sum of its proper divisors (2854302033840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1682690642544 is a wasteful number, since it uses less digits than its factorization.

1682690642544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16132666 (or 16132660 counting only the distinct ones).

The product of its (nonzero) digits is 19906560, while the sum is 57.

The spelling of 1682690642544 in words is "one trillion, six hundred eighty-two billion, six hundred ninety million, six hundred forty-two thousand, five hundred forty-four".