1659006768 has 30 divisors (see below), whose sum is σ = 4286496604. Its totient is φ = 552908192.

The previous prime is 1659006763. The next prime is 1659006773. The reversal of 1659006768 is 8676009561.

It is an interprime number because it is at equal distance from previous prime (1659006763) and next prime (1659006773).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (1659006763) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 279253 + ... + 285131.

Almost surely, 2^1659006768 is an apocalyptic number.

It is an amenable number.

1659006768 is an abundant number, since it is smaller than the sum of its proper divisors (2627489836).

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

1659006768 is an frugal number, since it uses more digits than its factorization.

1659006768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11769 (or 5884 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 48.

The square root of 1659006768 is about 40730.9067907897. The cubic root of 1659006768 is about 1183.8119489202.

Multiplying 1659006768 by its sum of digits (48), we get a square (79632324864 = 282192²).

1659006768 divided by its sum of digits (48) gives a square (34562641 = 5879²).

The spelling of 1659006768 in words is "one billion, six hundred fifty-nine million, six thousand, seven hundred sixty-eight".