65616701106 has 48 divisors (see below), whose sum is σ = 144583657344. Its totient is φ = 19837620000.

The previous prime is 65616701093. The next prime is 65616701113. The reversal of 65616701106 is 60110761656.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 208056 + ... + 417756.

It is an arithmetic number, because the mean of its divisors is an integer number (3012159528).

Almost surely, 2^65616701106 is an apocalyptic number.

65616701106 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 65616701106, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72291828672).

65616701106 is an abundant number, since it is smaller than the sum of its proper divisors (78966956238).

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

65616701106 is a wasteful number, since it uses less digits than its factorization.

65616701106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210159 (or 210148 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 39.

The spelling of 65616701106 in words is "sixty-five billion, six hundred sixteen million, seven hundred one thousand, one hundred six".