3216623742954 has 80 divisors (see below), whose sum is σ = 7345010534400. Its totient is φ = 1051777340640.

The previous prime is 3216623742919. The next prime is 3216623742977. The reversal of 3216623742954 is 4592473266123.

3216623742954 is a `hidden beast` number, since 3 + 2 + 1 + 6 + 623 + 7 + 4 + 2 + 9 + 5 + 4 = 666.

It is a super-2 number, since 2×3216623742954² (a number of 26 digits) contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 3216623742954.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 49001847 + ... + 49067445.

It is an arithmetic number, because the mean of its divisors is an integer number (91812631680).

Almost surely, 2^{3216623742954} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3216623742954, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3672505267200).

3216623742954 is an abundant number, since it is smaller than the sum of its proper divisors (4128386791446).

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

3216623742954 is a wasteful number, since it uses less digits than its factorization.

3216623742954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71377 (or 71368 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 54.

The spelling of 3216623742954 in words is "three trillion, two hundred sixteen billion, six hundred twenty-three million, seven hundred forty-two thousand, nine hundred fifty-four".