1680471270 has 24 divisors (see below), whose sum is σ = 4369225536. Its totient is φ = 448125648.

The previous prime is 1680471269. The next prime is 1680471307. The reversal of 1680471270 is 721740861.

1680471270 is a `hidden beast` number, since 168 + 0 + 471 + 27 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9335862 + ... + 9336041.

It is an arithmetic number, because the mean of its divisors is an integer number (182051064).

Almost surely, 2^1680471270 is an apocalyptic number.

1680471270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1680471270 is an abundant number, since it is smaller than the sum of its proper divisors (2688754266).

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

1680471270 is a wasteful number, since it uses less digits than its factorization.

1680471270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18671916 (or 18671913 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The square root of 1680471270 is about 40993.5515660695. The cubic root of 1680471270 is about 1188.8955385769.

The spelling of 1680471270 in words is "one billion, six hundred eighty million, four hundred seventy-one thousand, two hundred seventy".