172028554653 has 8 divisors (see below), whose sum is σ = 229375890016. Its totient is φ = 114683461200.

The previous prime is 172028554637. The next prime is 172028554661. The reversal of 172028554653 is 356455820271.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 172028554653 - 2⁴ = 172028554637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172028554613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 372418 + ... + 694803.

It is an arithmetic number, because the mean of its divisors is an integer number (28671986252).

Almost surely, 2^172028554653 is an apocalyptic number.

It is an amenable number.

172028554653 is a deficient number, since it is larger than the sum of its proper divisors (57347335363).

172028554653 is a wasteful number, since it uses less digits than its factorization.

172028554653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120955.

The product of its (nonzero) digits is 2016000, while the sum is 48.

The spelling of 172028554653 in words is "one hundred seventy-two billion, twenty-eight million, five hundred fifty-four thousand, six hundred fifty-three".