938540938166 has 8 divisors (see below), whose sum is σ = 1516104592464. Its totient is φ = 433172740680.

The previous prime is 938540938141. The next prime is 938540938169. The reversal of 938540938166 is 661839045839.

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

It is a super-2 number, since 2×938540938166² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 938540938099 and 938540938108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (938540938169) 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, 18048864170 + ... + 18048864221.

It is an arithmetic number, because the mean of its divisors is an integer number (189513074058).

Almost surely, 2^938540938166 is an apocalyptic number.

938540938166 is a deficient number, since it is larger than the sum of its proper divisors (577563654298).

938540938166 is a wasteful number, since it uses less digits than its factorization.

938540938166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36097728406.

The product of its (nonzero) digits is 33592320, while the sum is 62.

The spelling of 938540938166 in words is "nine hundred thirty-eight billion, five hundred forty million, nine hundred thirty-eight thousand, one hundred sixty-six".