1768928652 has 96 divisors (see below), whose sum is σ = 4846822400. Its totient is φ = 556372800.

The previous prime is 1768928647. The next prime is 1768928653. The reversal of 1768928652 is 2568298671.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (1768928653) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 554502 + ... + 557682.

Almost surely, 2^1768928652 is an apocalyptic number.

1768928652 is a gapful number since it is divisible by the number (12) 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 1768928652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2423411200).

1768928652 is an abundant number, since it is smaller than the sum of its proper divisors (3077893748).

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

1768928652 is a wasteful number, since it uses less digits than its factorization.

1768928652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3484 (or 3476 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 54.

The square root of 1768928652 is about 42058.6335013395. The cubic root of 1768928652 is about 1209.4003932172.

The spelling of 1768928652 in words is "one billion, seven hundred sixty-eight million, nine hundred twenty-eight thousand, six hundred fifty-two".