3916506897408 has 220 divisors, whose sum is σ = 12178036882120. Its totient is φ = 1118999863296.

The previous prime is 3916506897361. The next prime is 3916506897451. The reversal of 3916506897408 is 8047986056193.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7110378 + ... + 7641366.

Almost surely, 2^{3916506897408} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3916506897408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6089018441060).

3916506897408 is an abundant number, since it is smaller than the sum of its proper divisors (8261529984712).

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

3916506897408 is an frugal number, since it uses more digits than its factorization.

3916506897408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531040 (or 531001 counting only the distinct ones).

The product of its (nonzero) digits is 78382080, while the sum is 66.

The spelling of 3916506897408 in words is "three trillion, nine hundred sixteen billion, five hundred six million, eight hundred ninety-seven thousand, four hundred eight".