158205718652 has 6 divisors (see below), whose sum is σ = 276860007648. Its totient is φ = 79102859324.

The previous prime is 158205718639. The next prime is 158205718663. The reversal of 158205718652 is 256817502851.

158205718652 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 158205718652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19775714828 + ... + 19775714835.

It is an arithmetic number, because the mean of its divisors is an integer number (46143334608).

Almost surely, 2^158205718652 is an apocalyptic number.

It is an amenable number.

158205718652 is a deficient number, since it is larger than the sum of its proper divisors (118654288996).

158205718652 is a wasteful number, since it uses less digits than its factorization.

158205718652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39551429667 (or 39551429665 counting only the distinct ones).

The product of its (nonzero) digits is 1344000, while the sum is 50.

The spelling of 158205718652 in words is "one hundred fifty-eight billion, two hundred five million, seven hundred eighteen thousand, six hundred fifty-two".