653540161028 has 24 divisors (see below), whose sum is σ = 1239133607712. Its totient is φ = 300396023424.

The previous prime is 653540161013. The next prime is 653540161031. The reversal of 653540161028 is 820161045356.

It is a super-3 number, since 3×653540161028³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 111751550 + ... + 111757397.

It is an arithmetic number, because the mean of its divisors is an integer number (51630566988).

Almost surely, 2^653540161028 is an apocalyptic number.

653540161028 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

653540161028 is a deficient number, since it is larger than the sum of its proper divisors (585593446684).

653540161028 is a wasteful number, since it uses less digits than its factorization.

653540161028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223509011 (or 223509009 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 41.

The spelling of 653540161028 in words is "six hundred fifty-three billion, five hundred forty million, one hundred sixty-one thousand, twenty-eight".