671901116 has 48 divisors (see below), whose sum is σ = 1287498240. Its totient is φ = 305807040.

The previous prime is 671901107. The next prime is 671901127. The reversal of 671901116 is 611109176.

It is a super-2 number, since 2×671901116² = 902902219364090912, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187655 + ... + 191201.

It is an arithmetic number, because the mean of its divisors is an integer number (26822880).

Almost surely, 2^671901116 is an apocalyptic number.

It is an amenable number.

671901116 is a deficient number, since it is larger than the sum of its proper divisors (615597124).

671901116 is a wasteful number, since it uses less digits than its factorization.

671901116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3674 (or 3672 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 32.

The square root of 671901116 is about 25921.0554569061. The cubic root of 671901116 is about 875.8608631349.

The spelling of 671901116 in words is "six hundred seventy-one million, nine hundred one thousand, one hundred sixteen".