3216605874 has 32 divisors (see below), whose sum is σ = 6787988160. Its totient is φ = 1013342400.

The previous prime is 3216605863. The next prime is 3216605897. The reversal of 3216605874 is 4785066123.

It is a Curzon 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, 14484 + ... + 81504.

It is an arithmetic number, because the mean of its divisors is an integer number (212124630).

Almost surely, 2^3216605874 is an apocalyptic number.

3216605874 is an abundant number, since it is smaller than the sum of its proper divisors (3571382286).

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

3216605874 is a wasteful number, since it uses less digits than its factorization.

3216605874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67466.

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 3216605874 is about 56715.1291455816. The cubic root of 3216605874 is about 1476.1572263312.

The spelling of 3216605874 in words is "three billion, two hundred sixteen million, six hundred five thousand, eight hundred seventy-four".