168054678680454 has 48 divisors (see below), whose sum is σ = 364433892406272. Its totient is φ = 55969707368304.

The previous prime is 168054678680419. The next prime is 168054678680459. The reversal of 168054678680454 is 454086876450861.

168054678680454 is a `hidden beast` number, since 1 + 6 + 8 + 0 + 5 + 46 + 78 + 68 + 0 + 454 = 666.

168054678680454 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×168054678680454² (a number of 29 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (72) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168054678680459) 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, 270882999 + ... + 271502685.

It is an arithmetic number, because the mean of its divisors is an integer number (7592372758464).

Almost surely, 2^{168054678680454} is an apocalyptic number.

168054678680454 is an abundant number, since it is smaller than the sum of its proper divisors (196379213725818).

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

168054678680454 is a wasteful number, since it uses less digits than its factorization.

168054678680454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632721 (or 632718 counting only the distinct ones).

The product of its (nonzero) digits is 1238630400, while the sum is 72.

The spelling of 168054678680454 in words is "one hundred sixty-eight trillion, fifty-four billion, six hundred seventy-eight million, six hundred eighty thousand, four hundred fifty-four".