3216138046 has 8 divisors (see below), whose sum is σ = 5262771384. Its totient is φ = 1461880920.

The previous prime is 3216138041. The next prime is 3216138061. The reversal of 3216138046 is 6408316123.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3216138041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73094025 + ... + 73094068.

It is an arithmetic number, because the mean of its divisors is an integer number (657846423).

Almost surely, 2^3216138046 is an apocalyptic number.

3216138046 is a deficient number, since it is larger than the sum of its proper divisors (2046633338).

3216138046 is a wasteful number, since it uses less digits than its factorization.

3216138046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146188106.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 3216138046 is about 56711.0046287315. The cubic root of 3216138046 is about 1476.0856580185.

It can be divided in two parts, 32161 and 38046, that added together give a palindrome (70207).

The spelling of 3216138046 in words is "three billion, two hundred sixteen million, one hundred thirty-eight thousand, forty-six".