162813544600 has 144 divisors (see below), whose sum is σ = 440786631600. Its totient is φ = 55765704960.

The previous prime is 162813544591. The next prime is 162813544603. The reversal of 162813544600 is 6445318261.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162813544603) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 10409586 + ... + 10425214.

It is an arithmetic number, because the mean of its divisors is an integer number (3061018275).

Almost surely, 2^162813544600 is an apocalyptic number.

162813544600 is a gapful number since it is divisible by the number (10) 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 162813544600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220393315800).

162813544600 is an abundant number, since it is smaller than the sum of its proper divisors (277973087000).

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

162813544600 is a wasteful number, since it uses less digits than its factorization.

162813544600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16722 (or 16706 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The spelling of 162813544600 in words is "one hundred sixty-two billion, eight hundred thirteen million, five hundred forty-four thousand, six hundred".