378169212672 has 432 divisors, whose sum is σ = 1150808236032. Its totient is φ = 123843686400.

The previous prime is 378169212637. The next prime is 378169212677. The reversal of 378169212672 is 276212961873.

It is a happy number.

378169212672 is a `hidden beast` number, since 378 + 1 + 6 + 9 + 2 + 1 + 267 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (432).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378169212677) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1192962658 + ... + 1192962974.

Almost surely, 2^378169212672 is an apocalyptic number.

378169212672 is a gapful number since it is divisible by the number (32) 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 378169212672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (575404118016).

378169212672 is an abundant number, since it is smaller than the sum of its proper divisors (772639023360).

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

378169212672 is a wasteful number, since it uses less digits than its factorization.

378169212672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626 (or 600 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 54.

The spelling of 378169212672 in words is "three hundred seventy-eight billion, one hundred sixty-nine million, two hundred twelve thousand, six hundred seventy-two".