202661412 has 12 divisors (see below), whose sum is σ = 472876656. Its totient is φ = 67553800.

The previous prime is 202661357. The next prime is 202661413. The reversal of 202661412 is 214166202.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (202661413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8444214 + ... + 8444237.

It is an arithmetic number, because the mean of its divisors is an integer number (39406388).

Almost surely, 2^202661412 is an apocalyptic number.

It is an amenable number.

202661412 is an abundant number, since it is smaller than the sum of its proper divisors (270215244).

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

202661412 is a wasteful number, since it uses less digits than its factorization.

202661412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16888458 (or 16888456 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 202661412 is about 14235.9197806113. The cubic root of 202661412 is about 587.3861310625.

The spelling of 202661412 in words is "two hundred two million, six hundred sixty-one thousand, four hundred twelve".