1681013085 has 16 divisors (see below), whose sum is σ = 2692042944. Its totient is φ = 895732992.

The previous prime is 1681013063. The next prime is 1681013107. The reversal of 1681013085 is 5803101861.

It is an interprime number because it is at equal distance from previous prime (1681013063) and next prime (1681013107).

It is not a de Polignac number, because 1681013085 - 2²⁴ = 1664235869 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33052 + ... + 66741.

It is an arithmetic number, because the mean of its divisors is an integer number (168252684).

Almost surely, 2^1681013085 is an apocalyptic number.

1681013085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1681013085 is a deficient number, since it is larger than the sum of its proper divisors (1011029859).

1681013085 is a wasteful number, since it uses less digits than its factorization.

1681013085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100924.

The product of its (nonzero) digits is 5760, while the sum is 33.

The square root of 1681013085 is about 41000.1595728602. The cubic root of 1681013085 is about 1189.0232988130.

The spelling of 1681013085 in words is "one billion, six hundred eighty-one million, thirteen thousand, eighty-five".