1656484080 has 160 divisors (see below), whose sum is σ = 5584624704. Its totient is φ = 404471808.

The previous prime is 1656484073. The next prime is 1656484111. The reversal of 1656484080 is 804846561.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 145474 + ... + 156446.

Almost surely, 2^1656484080 is an apocalyptic number.

1656484080 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 1656484080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2792312352).

1656484080 is an abundant number, since it is smaller than the sum of its proper divisors (3928140624).

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

1656484080 is a wasteful number, since it uses less digits than its factorization.

1656484080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11043 (or 11037 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 42.

The square root of 1656484080 is about 40699.9272726623. The cubic root of 1656484080 is about 1183.2116091592.

The spelling of 1656484080 in words is "one billion, six hundred fifty-six million, four hundred eighty-four thousand, eighty".