213378196968 has 96 divisors (see below), whose sum is σ = 599802053760. Its totient is φ = 71066833920.

The previous prime is 213378196963. The next prime is 213378196973. The reversal of 213378196968 is 869691873312.

213378196968 is a `hidden beast` number, since 2 + 13 + 378 + 196 + 9 + 68 = 666.

It is an interprime number because it is at equal distance from previous prime (213378196963) and next prime (213378196973).

It is not an unprimeable number, because it can be changed into a prime (213378196963) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2320753 + ... + 2410943.

It is an arithmetic number, because the mean of its divisors is an integer number (6247938060).

Almost surely, 2^213378196968 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 213378196968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (299901026880).

213378196968 is an abundant number, since it is smaller than the sum of its proper divisors (386423856792).

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

213378196968 is a wasteful number, since it uses less digits than its factorization.

213378196968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91429 (or 91413 counting only the distinct ones).

The product of its digits is 23514624, while the sum is 63.

The spelling of 213378196968 in words is "two hundred thirteen billion, three hundred seventy-eight million, one hundred ninety-six thousand, nine hundred sixty-eight".