1654473728180 has 192 divisors, whose sum is σ = 4332862679040. Its totient is φ = 516680626176.

The previous prime is 1654473728143. The next prime is 1654473728183. The reversal of 1654473728180 is 818273744561.

It is a super-2 number, since 2×1654473728180² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1654473728183) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 468289694 + ... + 468293226.

It is an arithmetic number, because the mean of its divisors is an integer number (22566993120).

Almost surely, 2^{1654473728180} is an apocalyptic number.

1654473728180 is a gapful number since it is divisible by the number (10) 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 1654473728180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2166431339520).

1654473728180 is an abundant number, since it is smaller than the sum of its proper divisors (2678388950860).

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

1654473728180 is a wasteful number, since it uses less digits than its factorization.

1654473728180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6898 (or 6896 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 56.

The spelling of 1654473728180 in words is "one trillion, six hundred fifty-four billion, four hundred seventy-three million, seven hundred twenty-eight thousand, one hundred eighty".