662250193920 has 2112 divisors, whose sum is σ = 2975930565120. Its totient is φ = 140460687360.

The previous prime is 662250193901. The next prime is 662250193921. The reversal of 662250193920 is 29391052266.

662250193920 is a `hidden beast` number, since 6 + 6 + 2 + 250 + 1 + 9 + 392 + 0 = 666.

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 (662250193921) 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, 9327467485 + ... + 9327467555.

Almost surely, 2^662250193920 is an apocalyptic number.

662250193920 is a gapful number since it is divisible by the number (60) 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 662250193920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1487965282560).

662250193920 is an abundant number, since it is smaller than the sum of its proper divisors (2313680371200).

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

662250193920 is an equidigital number, since it uses as much as digits as its factorization.

662250193920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148 (or 105 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The spelling of 662250193920 in words is "six hundred sixty-two billion, two hundred fifty million, one hundred ninety-three thousand, nine hundred twenty".