662101854652 has 72 divisors (see below), whose sum is σ = 1364704845504. Its totient is φ = 280222322688.

The previous prime is 662101854599. The next prime is 662101854671. The reversal of 662101854652 is 256458101266.

It is a super-2 number, since 2×662101854652² (a number of 24 digits) contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 8764948 + ... + 8840164.

Almost surely, 2^662101854652 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 662101854652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (682352422752).

662101854652 is an abundant number, since it is smaller than the sum of its proper divisors (702602990852).

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

662101854652 is a wasteful number, since it uses less digits than its factorization.

662101854652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75795 (or 75786 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 46.

The spelling of 662101854652 in words is "six hundred sixty-two billion, one hundred one million, eight hundred fifty-four thousand, six hundred fifty-two".