162218768395400 has 48 divisors (see below), whose sum is σ = 377164421890740. Its totient is φ = 64886512025600.

The previous prime is 162218768395291. The next prime is 162218768395417. The reversal of 162218768395400 is 4593867812261.

It can be written as a sum of positive squares in 6 ways, for example, as 141862916426884 + 20355851968516 = 11910622^2 + 4511746^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6919340 + ... + 19295460.

It is a 1-persistent number, because it is pandigital, but 2⋅162218768395400 = 324437536790800 is not.

Almost surely, 2^{162218768395400} is an apocalyptic number.

162218768395400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

162218768395400 is an abundant number, since it is smaller than the sum of its proper divisors (214945653495340).

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

162218768395400 is a wasteful number, since it uses less digits than its factorization.

162218768395400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12441674 (or 12441665 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 62.

The spelling of 162218768395400 in words is "one hundred sixty-two trillion, two hundred eighteen billion, seven hundred sixty-eight million, three hundred ninety-five thousand, four hundred".