1622748163140 has 576 divisors, whose sum is σ = 5973444771840. Its totient is φ = 366206676480.

The previous prime is 1622748163133. The next prime is 1622748163147. The reversal of 1622748163140 is 413618472261.

1622748163140 is a `hidden beast` number, since 1 + 6 + 2 + 2 + 7 + 4 + 8 + 1 + 631 + 4 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (1622748163133) and next prime (1622748163147).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (1622748163147) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 37191217 + ... + 37234823.

It is an arithmetic number, because the mean of its divisors is an integer number (10370563840).

Almost surely, 2^{1622748163140} is an apocalyptic number.

1622748163140 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 1622748163140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2986722385920).

1622748163140 is an abundant number, since it is smaller than the sum of its proper divisors (4350696608700).

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

1622748163140 is a wasteful number, since it uses less digits than its factorization.

1622748163140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43694 (or 43680 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 1622748163140 in words is "one trillion, six hundred twenty-two billion, seven hundred forty-eight million, one hundred sixty-three thousand, one hundred forty".