1887168212 has 12 divisors (see below), whose sum is σ = 3303426336. Its totient is φ = 943332120.

The previous prime is 1887168169. The next prime is 1887168221. The reversal of 1887168212 is 2128617881.

It is a super-2 number, since 2×1887168212² = 7122807720766553888, which contains 22 as substring.

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, 45614 + ... + 76517.

It is an arithmetic number, because the mean of its divisors is an integer number (275285528).

Almost surely, 2^1887168212 is an apocalyptic number.

It is an amenable number.

1887168212 is a deficient number, since it is larger than the sum of its proper divisors (1416258124).

1887168212 is a wasteful number, since it uses less digits than its factorization.

1887168212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125998 (or 125996 counting only the distinct ones).

The product of its digits is 86016, while the sum is 44.

The square root of 1887168212 is about 43441.5493738425. The cubic root of 1887168212 is about 1235.7677888947.

The spelling of 1887168212 in words is "one billion, eight hundred eighty-seven million, one hundred sixty-eight thousand, two hundred twelve".