1653849498672 has 160 divisors (see below), whose sum is σ = 5436948441600. Its totient is φ = 471516187392.

The previous prime is 1653849498667. The next prime is 1653849498703. The reversal of 1653849498672 is 2768949483561.

1653849498672 is a `hidden beast` number, since 1 + 6 + 5 + 38 + 49 + 498 + 67 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 1653849498672.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 826654 + ... + 1997762.

It is an arithmetic number, because the mean of its divisors is an integer number (33980927760).

Almost surely, 2^{1653849498672} is an apocalyptic number.

1653849498672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1653849498672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2718474220800).

1653849498672 is an abundant number, since it is smaller than the sum of its proper divisors (3783098942928).

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

1653849498672 is a wasteful number, since it uses less digits than its factorization.

1653849498672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1171600 (or 1171588 counting only the distinct ones).

The product of its digits is 627056640, while the sum is 72.

The spelling of 1653849498672 in words is "one trillion, six hundred fifty-three billion, eight hundred forty-nine million, four hundred ninety-eight thousand, six hundred seventy-two".