1671161632 has 48 divisors (see below), whose sum is σ = 3847580352. Its totient is φ = 699552000.

The previous prime is 1671161593. The next prime is 1671161641. The reversal of 1671161632 is 2361611761.

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, 77119 + ... + 96382.

It is an arithmetic number, because the mean of its divisors is an integer number (80157924).

Almost surely, 2^1671161632 is an apocalyptic number.

It is an amenable number.

1671161632 is an abundant number, since it is smaller than the sum of its proper divisors (2176418720).

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

1671161632 is a wasteful number, since it uses less digits than its factorization.

1671161632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173561 (or 173553 counting only the distinct ones).

The product of its digits is 9072, while the sum is 34.

The square root of 1671161632 is about 40879.8438353182. The cubic root of 1671161632 is about 1186.6960188562.

The spelling of 1671161632 in words is "one billion, six hundred seventy-one million, one hundred sixty-one thousand, six hundred thirty-two".