141680661 has 4 divisors (see below), whose sum is σ = 188907552. Its totient is φ = 94453772.

The previous prime is 141680647. The next prime is 141680677. The reversal of 141680661 is 166086141.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 141680661 - 2¹¹ = 141678613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141680611) 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, 23613441 + ... + 23613446.

It is an arithmetic number, because the mean of its divisors is an integer number (47226888).

Almost surely, 2^141680661 is an apocalyptic number.

It is an amenable number.

141680661 is a deficient number, since it is larger than the sum of its proper divisors (47226891).

141680661 is an equidigital number, since it uses as much as digits as its factorization.

141680661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47226890.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 141680661 is about 11902.9685793083. The cubic root of 141680661 is about 521.3189655082.

The spelling of 141680661 in words is "one hundred forty-one million, six hundred eighty thousand, six hundred sixty-one".