106838168747508 has 72 divisors (see below), whose sum is σ = 294891498947136. Its totient is φ = 32344746076800.

The previous prime is 106838168747507. The next prime is 106838168747549. The reversal of 106838168747508 is 805747861838601.

It is a happy number.

106838168747508 is a `hidden beast` number, since 1 + 0 + 6 + 8 + 38 + 1 + 6 + 87 + 4 + 7 + 508 = 666.

It is a super-2 number, since 2×106838168747508² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106838168747507) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 126480913 + ... + 127322808.

Almost surely, 2^{106838168747508} is an apocalyptic number.

106838168747508 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

106838168747508 is an abundant number, since it is smaller than the sum of its proper divisors (188053330199628).

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

106838168747508 is a wasteful number, since it uses less digits than its factorization.

106838168747508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253804805 (or 253804800 counting only the distinct ones).

The product of its (nonzero) digits is 433520640, while the sum is 72.

The spelling of 106838168747508 in words is "one hundred six trillion, eight hundred thirty-eight billion, one hundred sixty-eight million, seven hundred forty-seven thousand, five hundred eight".