202666641612 has 96 divisors (see below), whose sum is σ = 503066350080. Its totient is φ = 63320947200.

The previous prime is 202666641559. The next prime is 202666641613. The reversal of 202666641612 is 216146666202.

It is not an unprimeable number, because it can be changed into a prime (202666641613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48057328 + ... + 48061544.

It is an arithmetic number, because the mean of its divisors is an integer number (5240274480).

Almost surely, 2^202666641612 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 202666641612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251533175040).

202666641612 is an abundant number, since it is smaller than the sum of its proper divisors (300399708468).

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

202666641612 is a wasteful number, since it uses less digits than its factorization.

202666641612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6431 (or 6429 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 42.

The spelling of 202666641612 in words is "two hundred two billion, six hundred sixty-six million, six hundred forty-one thousand, six hundred twelve".