1681880558 has 16 divisors (see below), whose sum is σ = 2550105600. Its totient is φ = 831884256.

The previous prime is 1681880537. The next prime is 1681880579. The reversal of 1681880558 is 8550881861.

It is an interprime number because it is at equal distance from previous prime (1681880537) and next prime (1681880579).

It is a super-3 number, since 3×1681880558³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79160 + ... + 98132.

It is an arithmetic number, because the mean of its divisors is an integer number (159381600).

Almost surely, 2^1681880558 is an apocalyptic number.

1681880558 is a deficient number, since it is larger than the sum of its proper divisors (868225042).

1681880558 is a wasteful number, since it uses less digits than its factorization.

1681880558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19451.

The product of its (nonzero) digits is 614400, while the sum is 50.

The square root of 1681880558 is about 41010.7371062750. The cubic root of 1681880558 is about 1189.2277922115.

The spelling of 1681880558 in words is "one billion, six hundred eighty-one million, eight hundred eighty thousand, five hundred fifty-eight".