1671060420 has 36 divisors (see below), whose sum is σ = 5068883820. Its totient is φ = 445616064.

The previous prime is 1671060397. The next prime is 1671060421. The reversal of 1671060420 is 240601761.

It can be written as a sum of positive squares in 2 ways, for example, as 223562304 + 1447498116 = 14952^2 + 38046^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (1671060421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4641655 + ... + 4642014.

Almost surely, 2^1671060420 is an apocalyptic number.

1671060420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1671060420 is an abundant number, since it is smaller than the sum of its proper divisors (3397823400).

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

1671060420 is a wasteful number, since it uses less digits than its factorization.

1671060420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9283684 (or 9283679 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 1671060420 is about 40878.6058959941. The cubic root of 1671060420 is about 1186.6720614085.

The spelling of 1671060420 in words is "one billion, six hundred seventy-one million, sixty thousand, four hundred twenty".