102665712436 has 12 divisors (see below), whose sum is σ = 205331424928. Its totient is φ = 43999591032.

The previous prime is 102665712433. The next prime is 102665712463. The reversal of 102665712436 is 634217566201.

102665712436 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 102665712392 and 102665712401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102665712433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1833316266 + ... + 1833316321.

Almost surely, 2^102665712436 is an apocalyptic number.

It is an amenable number.

102665712436 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

102665712436 is a wasteful number, since it uses less digits than its factorization.

102665712436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3666632598 (or 3666632596 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 102665712436 in words is "one hundred two billion, six hundred sixty-five million, seven hundred twelve thousand, four hundred thirty-six".