67616085 has 16 divisors (see below), whose sum is σ = 108313920. Its totient is φ = 36019200.

The previous prime is 67616083. The next prime is 67616111. The reversal of 67616085 is 58061676.

It is not a de Polignac number, because 67616085 - 2¹ = 67616083 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67616083) 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, 13621 + ... + 17909.

It is an arithmetic number, because the mean of its divisors is an integer number (6769620).

Almost surely, 2^67616085 is an apocalyptic number.

It is an amenable number.

67616085 is a deficient number, since it is larger than the sum of its proper divisors (40697835).

67616085 is a wasteful number, since it uses less digits than its factorization.

67616085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5348.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 67616085 is about 8222.9000358754. The cubic root of 67616085 is about 407.3959185675.

It can be divided in two parts, 676 and 16085, that added together give a palindrome (16761).

The spelling of 67616085 in words is "sixty-seven million, six hundred sixteen thousand, eighty-five".