1671514872 has 64 divisors (see below), whose sum is σ = 4245190560. Its totient is φ = 548352000.

The previous prime is 1671514853. The next prime is 1671514883. The reversal of 1671514872 is 2784151761.

It is a congruent number.

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, 1227472 + ... + 1228832.

Almost surely, 2^1671514872 is an apocalyptic number.

1671514872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1671514872 is an abundant number, since it is smaller than the sum of its proper divisors (2573675688).

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

1671514872 is a wasteful number, since it uses less digits than its factorization.

1671514872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2144 (or 2140 counting only the distinct ones).

The product of its digits is 94080, while the sum is 42.

The square root of 1671514872 is about 40884.1640736361. The cubic root of 1671514872 is about 1186.7796251658.

The spelling of 1671514872 in words is "one billion, six hundred seventy-one million, five hundred fourteen thousand, eight hundred seventy-two".