1687233116 has 12 divisors (see below), whose sum is σ = 2959038432. Its totient is φ = 841793568.

The previous prime is 1687233109. The next prime is 1687233131. The reversal of 1687233116 is 6113327861.

It is a self number, because there is not a number n which added to its sum of digits gives 1687233116.

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, 453665 + ... + 457368.

It is an arithmetic number, because the mean of its divisors is an integer number (246586536).

Almost surely, 2^1687233116 is an apocalyptic number.

It is an amenable number.

1687233116 is a deficient number, since it is larger than the sum of its proper divisors (1271805316).

1687233116 is a wasteful number, since it uses less digits than its factorization.

1687233116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911500 (or 911498 counting only the distinct ones).

The product of its digits is 36288, while the sum is 38.

The square root of 1687233116 is about 41075.9432758397. The cubic root of 1687233116 is about 1190.4880224164.

The spelling of 1687233116 in words is "one billion, six hundred eighty-seven million, two hundred thirty-three thousand, one hundred sixteen".