1687016852 has 12 divisors (see below), whose sum is σ = 2996343840. Its totient is φ = 830918616.

The previous prime is 1687016839. The next prime is 1687016861. The reversal of 1687016852 is 2586107861.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3147152 + ... + 3147687.

It is an arithmetic number, because the mean of its divisors is an integer number (249695320).

Almost surely, 2^1687016852 is an apocalyptic number.

It is an amenable number.

1687016852 is a deficient number, since it is larger than the sum of its proper divisors (1309326988).

1687016852 is a wasteful number, since it uses less digits than its factorization.

1687016852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6294910 (or 6294908 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 44.

The square root of 1687016852 is about 41073.3107017197. The cubic root of 1687016852 is about 1190.4371559613.

The spelling of 1687016852 in words is "one billion, six hundred eighty-seven million, sixteen thousand, eight hundred fifty-two".