1655919480 has 96 divisors (see below), whose sum is σ = 5092498800. Its totient is φ = 430755840.

The previous prime is 1655919479. The next prime is 1655919487. The reversal of 1655919480 is 849195561.

1655919480 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1655919487) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 197616 + ... + 205824.

Almost surely, 2^1655919480 is an apocalyptic number.

1655919480 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 1655919480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2546249400).

1655919480 is an abundant number, since it is smaller than the sum of its proper divisors (3436579320).

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

1655919480 is a wasteful number, since it uses less digits than its factorization.

1655919480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8305 (or 8260 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 48.

The square root of 1655919480 is about 40692.9905511994. The cubic root of 1655919480 is about 1183.0771643239.

The spelling of 1655919480 in words is "one billion, six hundred fifty-five million, nine hundred nineteen thousand, four hundred eighty".