1680351048 has 32 divisors (see below), whose sum is σ = 4667642400. Its totient is φ = 560116944.

The previous prime is 1680350999. The next prime is 1680351053. The reversal of 1680351048 is 8401530861.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3889486 + ... + 3889917.

It is an arithmetic number, because the mean of its divisors is an integer number (145863825).

Almost surely, 2^1680351048 is an apocalyptic number.

1680351048 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1680351048 is an abundant number, since it is smaller than the sum of its proper divisors (2987291352).

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

1680351048 is a wasteful number, since it uses less digits than its factorization.

1680351048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7779418 (or 7779408 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 1680351048 is about 40992.0851872651. The cubic root of 1680351048 is about 1188.8671864492.

The spelling of 1680351048 in words is "one billion, six hundred eighty million, three hundred fifty-one thousand, forty-eight".