1653480166872 has 64 divisors (see below), whose sum is σ = 4184693280000. Its totient is φ = 544402342784.

The previous prime is 1653480166867. The next prime is 1653480166873. The reversal of 1653480166872 is 2786610843561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1653480166873) by changing a digit.

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, 651468 + ... + 1931675.

It is an arithmetic number, because the mean of its divisors is an integer number (65385832500).

Almost surely, 2^{1653480166872} is an apocalyptic number.

1653480166872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1653480166872 is an abundant number, since it is smaller than the sum of its proper divisors (2531213113128).

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

1653480166872 is a wasteful number, since it uses less digits than its factorization.

1653480166872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2583480 (or 2583476 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 57.

The spelling of 1653480166872 in words is "one trillion, six hundred fifty-three billion, four hundred eighty million, one hundred sixty-six thousand, eight hundred seventy-two".