141661647 has 6 divisors (see below), whose sum is σ = 204622392. Its totient is φ = 94441092.

The previous prime is 141661643. The next prime is 141661673. The reversal of 141661647 is 746166141.

It is a happy number.

141661647 is a `hidden beast` number, since 1 + 4 + 1 + 6 + 6 + 1 + 647 = 666.

It is not a de Polignac number, because 141661647 - 2² = 141661643 is a prime.

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 5 ways as a sum of consecutive naturals, for example, 7870083 + ... + 7870100.

It is an arithmetic number, because the mean of its divisors is an integer number (34103732).

Almost surely, 2^141661647 is an apocalyptic number.

141661647 is a deficient number, since it is larger than the sum of its proper divisors (62960745).

141661647 is a wasteful number, since it uses less digits than its factorization.

141661647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15740189 (or 15740186 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 141661647 is about 11902.1698441923. The cubic root of 141661647 is about 521.2956435714.

It can be divided in two parts, 14 and 1661647, that added together give a palindrome (1661661).

The spelling of 141661647 in words is "one hundred forty-one million, six hundred sixty-one thousand, six hundred forty-seven".