208062681 has 16 divisors (see below), whose sum is σ = 284830656. Its totient is φ = 135023616.

The previous prime is 208062667. The next prime is 208062691. The reversal of 208062681 is 186260802.

208062681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 208062681 - 2¹³ = 208054489 is a prime.

It is a super-2 number, since 2×208062681² = 86580158449815522, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (208062601) 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, 37801 + ... + 42953.

It is an arithmetic number, because the mean of its divisors is an integer number (17801916).

Almost surely, 2^208062681 is an apocalyptic number.

It is an amenable number.

208062681 is a deficient number, since it is larger than the sum of its proper divisors (76767975).

208062681 is a wasteful number, since it uses less digits than its factorization.

208062681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5512.

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 208062681 is about 14424.3780108537. The cubic root of 208062681 is about 592.5587244399.

The spelling of 208062681 in words is "two hundred eight million, sixty-two thousand, six hundred eighty-one".