1655061044 has 144 divisors (see below), whose sum is σ = 4046051520. Its totient is φ = 583511040.

The previous prime is 1655061017. The next prime is 1655061047. The reversal of 1655061044 is 4401605561.

It is a self number, because there is not a number n which added to its sum of digits gives 1655061044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1655061047) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 821999 + ... + 824009.

It is an arithmetic number, because the mean of its divisors is an integer number (28097580).

Almost surely, 2^1655061044 is an apocalyptic number.

1655061044 is a gapful number since it is divisible by the number (14) 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 1655061044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2023025760).

1655061044 is an abundant number, since it is smaller than the sum of its proper divisors (2390990476).

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

1655061044 is a wasteful number, since it uses less digits than its factorization.

1655061044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2078 (or 2069 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 1655061044 is about 40682.4414704919. The cubic root of 1655061044 is about 1182.8726915043.

The spelling of 1655061044 in words is "one billion, six hundred fifty-five million, sixty-one thousand, forty-four".