3216065523 has 16 divisors (see below), whose sum is σ = 4684382976. Its totient is φ = 1946435040.

The previous prime is 3216065507. The next prime is 3216065527. The reversal of 3216065523 is 3255606123.

It is not a de Polignac number, because 3216065523 - 2⁴ = 3216065507 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (3216065527) 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, 43036 + ... + 91017.

It is an arithmetic number, because the mean of its divisors is an integer number (292773936).

Almost surely, 2^3216065523 is an apocalyptic number.

3216065523 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

3216065523 is a deficient number, since it is larger than the sum of its proper divisors (1468317453).

3216065523 is a wasteful number, since it uses less digits than its factorization.

3216065523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134794.

The product of its (nonzero) digits is 32400, while the sum is 33.

The square root of 3216065523 is about 56710.3652165986. The cubic root of 3216065523 is about 1476.0745628309.

The spelling of 3216065523 in words is "three billion, two hundred sixteen million, sixty-five thousand, five hundred twenty-three".