1681107576 has 16 divisors (see below), whose sum is σ = 4202769000. Its totient is φ = 560369184.

The previous prime is 1681107569. The next prime is 1681107581. The reversal of 1681107576 is 6757011861.

It is a happy number.

It is a super-2 number, since 2×1681107576² = 5652245364169191552, 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, 35023051 + ... + 35023098.

Almost surely, 2^1681107576 is an apocalyptic number.

It is an amenable number.

1681107576 is an abundant number, since it is smaller than the sum of its proper divisors (2521661424).

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

1681107576 is a wasteful number, since it uses less digits than its factorization.

1681107576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70046158 (or 70046154 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 42.

The square root of 1681107576 is about 41001.3118814508. The cubic root of 1681107576 is about 1189.0455770246.

The spelling of 1681107576 in words is "one billion, six hundred eighty-one million, one hundred seven thousand, five hundred seventy-six".