1685636076 has 12 divisors (see below), whose sum is σ = 3933150872. Its totient is φ = 561878688.

The previous prime is 1685636039. The next prime is 1685636087. The reversal of 1685636076 is 6706365861.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70234825 + ... + 70234848.

Almost surely, 2^1685636076 is an apocalyptic number.

It is an amenable number.

1685636076 is an abundant number, since it is smaller than the sum of its proper divisors (2247514796).

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

1685636076 is a wasteful number, since it uses less digits than its factorization.

1685636076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140469680 (or 140469678 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 48.

The square root of 1685636076 is about 41056.4985842680. The cubic root of 1685636076 is about 1190.1122875000.

The spelling of 1685636076 in words is "one billion, six hundred eighty-five million, six hundred thirty-six thousand, seventy-six".