168620893756948 has 12 divisors (see below), whose sum is σ = 295342493453140. Its totient is φ = 84237324198912.

The previous prime is 168620893756859. The next prime is 168620893756951. The reversal of 168620893756948 is 849657398026861.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 159150638402064 + 9470255354884 = 12615492^2 + 3077378^2 .

It is a super-2 number, since 2×168620893756948² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18280664703 + ... + 18280673926.

It is a 1-persistent number, because it is pandigital, but 2⋅168620893756948 = 337241787513896 is not.

Almost surely, 2^{168620893756948} is an apocalyptic number.

It is an amenable number.

168620893756948 is a deficient number, since it is larger than the sum of its proper divisors (126721599696192).

168620893756948 is a wasteful number, since it uses less digits than its factorization.

168620893756948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36561339786 (or 36561339784 counting only the distinct ones).

The product of its (nonzero) digits is 7524679680, while the sum is 82.

The spelling of 168620893756948 in words is "one hundred sixty-eight trillion, six hundred twenty billion, eight hundred ninety-three million, seven hundred fifty-six thousand, nine hundred forty-eight".