3812302191516 has 384 divisors, whose sum is σ = 11711230433280. Its totient is φ = 937145106432.

The previous prime is 3812302191491. The next prime is 3812302191527. The reversal of 3812302191516 is 6151912032183.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 655820626 + ... + 655826438.

It is an arithmetic number, because the mean of its divisors is an integer number (30497995920).

Almost surely, 2^{3812302191516} 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 3812302191516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5855615216640).

3812302191516 is an abundant number, since it is smaller than the sum of its proper divisors (7898928241764).

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

3812302191516 is a wasteful number, since it uses less digits than its factorization.

3812302191516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6365 (or 6363 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 42.

The spelling of 3812302191516 in words is "three trillion, eight hundred twelve billion, three hundred two million, one hundred ninety-one thousand, five hundred sixteen".