141661646 has 48 divisors (see below), whose sum is σ = 273178656. Its totient is φ = 54641664.

The previous prime is 141661643. The next prime is 141661673. The reversal of 141661646 is 646166141.

141661646 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141661643) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36470 + ... + 40166.

It is an arithmetic number, because the mean of its divisors is an integer number (5691222).

Almost surely, 2^141661646 is an apocalyptic number.

141661646 is a deficient number, since it is larger than the sum of its proper divisors (131517010).

141661646 is a wasteful number, since it uses less digits than its factorization.

141661646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3753 (or 3746 counting only the distinct ones).

The product of its digits is 20736, while the sum is 35.

The square root of 141661646 is about 11902.1698021831. The cubic root of 141661646 is about 521.2956423447.

The spelling of 141661646 in words is "one hundred forty-one million, six hundred sixty-one thousand, six hundred forty-six".