150165136638 has 24 divisors (see below), whose sum is σ = 354935777976. Its totient is φ = 45504586800.

The previous prime is 150165136637. The next prime is 150165136651. The reversal of 150165136638 is 836631561051.

150165136638 is a `hidden beast` number, since 1 + 5 + 0 + 1 + 6 + 5 + 1 + 3 + 6 + 638 = 666.

150165136638 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 150165136593 and 150165136602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150165136637) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 379204693 + ... + 379205088.

It is an arithmetic number, because the mean of its divisors is an integer number (14788990749).

Almost surely, 2^150165136638 is an apocalyptic number.

150165136638 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

150165136638 is an abundant number, since it is smaller than the sum of its proper divisors (204770641338).

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

150165136638 is a wasteful number, since it uses less digits than its factorization.

150165136638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758409800 (or 758409797 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

Adding to 150165136638 its reverse (836631561051), we get a palindrome (986796697689).

The spelling of 150165136638 in words is "one hundred fifty billion, one hundred sixty-five million, one hundred thirty-six thousand, six hundred thirty-eight".