654230553172 has 24 divisors (see below), whose sum is σ = 1310638280000. Its totient is φ = 279917985600.

The previous prime is 654230553139. The next prime is 654230553199. The reversal of 654230553172 is 271355032456.

It is a happy number.

It is a super-3 number, since 3×654230553172³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19421922 + ... + 19455577.

Almost surely, 2^654230553172 is an apocalyptic number.

It is an amenable number.

654230553172 is an abundant number, since it is smaller than the sum of its proper divisors (656407726828).

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

654230553172 is a wasteful number, since it uses less digits than its factorization.

654230553172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38878111 (or 38878109 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 43.

The spelling of 654230553172 in words is "six hundred fifty-four billion, two hundred thirty million, five hundred fifty-three thousand, one hundred seventy-two".