378299266065216 has 168 divisors, whose sum is σ = 1129765616089344. Its totient is φ = 120891534520320.

The previous prime is 378299266065151. The next prime is 378299266065223. The reversal of 378299266065216 is 612560662992873.

378299266065216 is a `hidden beast` number, since 3 + 7 + 8 + 2 + 9 + 9 + 2 + 6 + 606 + 5 + 2 + 1 + 6 = 666.

It is a super-2 number, since 2×378299266065216² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 97089945 + ... + 100911128.

Almost surely, 2^{378299266065216} is an apocalyptic number.

378299266065216 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

378299266065216 is an abundant number, since it is smaller than the sum of its proper divisors (751466350024128).

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

378299266065216 is a wasteful number, since it uses less digits than its factorization.

378299266065216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198001229 (or 198001216 counting only the distinct ones).

The product of its (nonzero) digits is 705438720, while the sum is 72.

The spelling of 378299266065216 in words is "three hundred seventy-eight trillion, two hundred ninety-nine billion, two hundred sixty-six million, sixty-five thousand, two hundred sixteen".