1655413760 has 704 divisors, whose sum is σ = 5942522880. Its totient is φ = 424673280.

The previous prime is 1655413751. The next prime is 1655413763. The reversal of 1655413760 is 673145561.

It is a tau number, because it is divible by the number of its divisors (704).

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1655413763) 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, 87127031 + ... + 87127049.

Almost surely, 2^1655413760 is an apocalyptic number.

1655413760 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 1655413760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2971261440).

1655413760 is an abundant number, since it is smaller than the sum of its proper divisors (4287109120).

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

1655413760 is a wasteful number, since it uses less digits than its factorization.

1655413760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92 (or 74 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 1655413760 is about 40686.7762301217. The cubic root of 1655413760 is about 1182.9567142842.

The spelling of 1655413760 in words is "one billion, six hundred fifty-five million, four hundred thirteen thousand, seven hundred sixty".