15400155400168 has 64 divisors (see below), whose sum is σ = 36000908421120. Its totient is φ = 5999969688000.

The previous prime is 15400155400153. The next prime is 15400155400187. The reversal of 15400155400168 is 86100455100451.

It is a super-2 number, since 2×15400155400168² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 15400155400168.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52350693 + ... + 52644043.

It is an arithmetic number, because the mean of its divisors is an integer number (562514194080).

Almost surely, 2^{15400155400168} is an apocalyptic number.

It is an amenable number.

15400155400168 is an abundant number, since it is smaller than the sum of its proper divisors (20600753020952).

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

15400155400168 is a wasteful number, since it uses less digits than its factorization.

15400155400168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378598 (or 378594 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 40.

The spelling of 15400155400168 in words is "fifteen trillion, four hundred billion, one hundred fifty-five million, four hundred thousand, one hundred sixty-eight".