141666987 has 48 divisors (see below), whose sum is σ = 242956800. Its totient is φ = 72596160.

The previous prime is 141666979. The next prime is 141666991. The reversal of 141666987 is 789666141.

It is a happy number.

141666987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 141666987 - 2³ = 141666979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (141666947) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 127189 + ... + 128297.

It is an arithmetic number, because the mean of its divisors is an integer number (5061600).

Almost surely, 2^141666987 is an apocalyptic number.

141666987 is a deficient number, since it is larger than the sum of its proper divisors (101289813).

141666987 is a wasteful number, since it uses less digits than its factorization.

141666987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216 (or 1209 counting only the distinct ones).

The product of its digits is 435456, while the sum is 48.

The square root of 141666987 is about 11902.3941709221. The cubic root of 141666987 is about 521.3021936476.

The spelling of 141666987 in words is "one hundred forty-one million, six hundred sixty-six thousand, nine hundred eighty-seven".