3216006145 has 32 divisors (see below), whose sum is σ = 4366918656. Its totient is φ = 2253024000.

The previous prime is 3216006121. The next prime is 3216006151. The reversal of 3216006145 is 5416006123.

It is not a de Polignac number, because 3216006145 - 2¹⁵ = 3215973377 is a prime.

It is a super-2 number, since 2×3216006145² = 20685391049355522050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 197712 + ... + 213358.

It is an arithmetic number, because the mean of its divisors is an integer number (136466208).

Almost surely, 2^3216006145 is an apocalyptic number.

It is an amenable number.

3216006145 is a deficient number, since it is larger than the sum of its proper divisors (1150912511).

3216006145 is a wasteful number, since it uses less digits than its factorization.

3216006145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15801.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 3216006145 is about 56709.8416943655. The cubic root of 3216006145 is about 1476.0654785534.

The spelling of 3216006145 in words is "three billion, two hundred sixteen million, six thousand, one hundred forty-five".