662849199936 has 2240 divisors, whose sum is σ = 2814317789184. Its totient is φ = 148901068800.

The previous prime is 662849199923. The next prime is 662849199973. The reversal of 662849199936 is 639991948266.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 4838315260 + ... + 4838315396.

Almost surely, 2^662849199936 is an apocalyptic number.

662849199936 is a gapful number since it is divisible by the number (66) 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 662849199936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1407158894592).

662849199936 is an abundant number, since it is smaller than the sum of its proper divisors (2151468589248).

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

662849199936 is a wasteful number, since it uses less digits than its factorization.

662849199936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250 (or 231 counting only the distinct ones).

The product of its digits is 272097792, while the sum is 72.

The spelling of 662849199936 in words is "six hundred sixty-two billion, eight hundred forty-nine million, one hundred ninety-nine thousand, nine hundred thirty-six".