65906000 has 80 divisors (see below), whose sum is σ = 164656128. Its totient is φ = 25488000.

The previous prime is 65905999. The next prime is 65906033. The reversal of 65906000 is 60956.

It is a tau number, because it is divible by the number of its divisors (80).

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, 61469 + ... + 62531.

Almost surely, 2^65906000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65906000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82328064).

65906000 is an abundant number, since it is smaller than the sum of its proper divisors (98750128).

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

65906000 is a wasteful number, since it uses less digits than its factorization.

65906000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117 (or 1101 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 65906000 is about 8118.2510431743. The cubic root of 65906000 is about 403.9320540571.

Adding to 65906000 its reverse (60956), we get a palindrome (65966956).

The spelling of 65906000 in words is "sixty-five million, nine hundred six thousand".