102665532643 has 8 divisors (see below), whose sum is σ = 108988512768. Its totient is φ = 96374089344.

The previous prime is 102665532631. The next prime is 102665532713. The reversal of 102665532643 is 346235566201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102665532643 - 2⁵ = 102665532611 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102665532643.

It is not an unprimeable number, because it can be changed into a prime (102665532743) 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, 7877496 + ... + 7890517.

It is an arithmetic number, because the mean of its divisors is an integer number (13623564096).

Almost surely, 2^102665532643 is an apocalyptic number.

102665532643 is a deficient number, since it is larger than the sum of its proper divisors (6322980125).

102665532643 is a wasteful number, since it uses less digits than its factorization.

102665532643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15768413.

The product of its (nonzero) digits is 777600, while the sum is 43.

The spelling of 102665532643 in words is "one hundred two billion, six hundred sixty-five million, five hundred thirty-two thousand, six hundred forty-three".