3216045756924 has 1440 divisors, whose sum is σ = 12698121655296. Its totient is φ = 693977518080.

The previous prime is 3216045756893. The next prime is 3216045756961. The reversal of 3216045756924 is 4296575406123.

It is a happy number.

3216045756924 is a `hidden beast` number, since 3 + 2 + 1 + 6 + 0 + 4 + 57 + 569 + 24 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 479 ways as a sum of consecutive naturals, for example, 887672977 + ... + 887676599.

Almost surely, 2^{3216045756924} is an apocalyptic number.

3216045756924 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3216045756924, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6349060827648).

3216045756924 is an abundant number, since it is smaller than the sum of its proper divisors (9482075898372).

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

3216045756924 is a wasteful number, since it uses less digits than its factorization.

3216045756924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3717 (or 3699 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 54.

The spelling of 3216045756924 in words is "three trillion, two hundred sixteen billion, forty-five million, seven hundred fifty-six thousand, nine hundred twenty-four".