1650016680 has 64 divisors (see below), whose sum is σ = 5330828160. Its totient is φ = 406157568.

The previous prime is 1650016661. The next prime is 1650016727. The reversal of 1650016680 is 866100561.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 527292 + ... + 530411.

It is an arithmetic number, because the mean of its divisors is an integer number (83294190).

Almost surely, 2^1650016680 is an apocalyptic number.

1650016680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1650016680 is an abundant number, since it is smaller than the sum of its proper divisors (3680811480).

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

1650016680 is a wasteful number, since it uses less digits than its factorization.

1650016680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1057730 (or 1057726 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 1650016680 is about 40620.3973392679. The cubic root of 1650016680 is about 1181.6697323096.

The spelling of 1650016680 in words is "one billion, six hundred fifty million, sixteen thousand, six hundred eighty".