1687014168 has 64 divisors (see below), whose sum is σ = 4911010560. Its totient is φ = 472907136.

The previous prime is 1687014157. The next prime is 1687014169. The reversal of 1687014168 is 8614107861.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1687014169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85830 + ... + 103637.

It is an arithmetic number, because the mean of its divisors is an integer number (76734540).

Almost surely, 2^1687014168 is an apocalyptic number.

It is an amenable number.

1687014168 is an abundant number, since it is smaller than the sum of its proper divisors (3223996392).

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

1687014168 is a wasteful number, since it uses less digits than its factorization.

1687014168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189536 (or 189532 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 42.

The square root of 1687014168 is about 41073.2780284213. The cubic root of 1687014168 is about 1190.4365246428.

The spelling of 1687014168 in words is "one billion, six hundred eighty-seven million, fourteen thousand, one hundred sixty-eight".