2173051549152 has 144 divisors (see below), whose sum is σ = 6797113792560. Its totient is φ = 658500353280.

The previous prime is 2173051549129. The next prime is 2173051549153. The reversal of 2173051549152 is 2519451503712.

2173051549152 is a `hidden beast` number, since 2 + 1 + 7 + 3 + 0 + 51 + 549 + 1 + 52 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a junction number, because it is equal to n+sod(n) for n = 2173051549098 and 2173051549107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2173051549153) 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, 2451127 + ... + 3217782.

It is an arithmetic number, because the mean of its divisors is an integer number (47202179115).

Almost surely, 2^{2173051549152} is an apocalyptic number.

2173051549152 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2173051549152 is an abundant number, since it is smaller than the sum of its proper divisors (4624062243408).

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

2173051549152 is a wasteful number, since it uses less digits than its factorization.

2173051549152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5668958 (or 5668925 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 45.

The spelling of 2173051549152 in words is "two trillion, one hundred seventy-three billion, fifty-one million, five hundred forty-nine thousand, one hundred fifty-two".