141660641 has 2 divisors, whose sum is σ = 141660642. Its totient is φ = 141660640.

The previous prime is 141660613. The next prime is 141660647. The reversal of 141660641 is 146066141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131446225 + 10214416 = 11465^2 + 3196^2 .

It is a cyclic number.

It is not a de Polignac number, because 141660641 - 2⁶ = 141660577 is a prime.

It is not a weakly prime, because it can be changed into another prime (141660647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70830320 + 70830321.

It is an arithmetic number, because the mean of its divisors is an integer number (70830321).

Almost surely, 2^141660641 is an apocalyptic number.

It is an amenable number.

141660641 is a deficient number, since it is larger than the sum of its proper divisors (1).

141660641 is an equidigital number, since it uses as much as digits as its factorization.

141660641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 141660641 is about 11902.1275829156. The cubic root of 141660641 is about 521.2944095873.

The spelling of 141660641 in words is "one hundred forty-one million, six hundred sixty thousand, six hundred forty-one".