141565666 has 16 divisors (see below), whose sum is σ = 231880320. Its totient is φ = 64284880.

The previous prime is 141565651. The next prime is 141565673. The reversal of 141565666 is 666565141.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25575 + ... + 30613.

It is an arithmetic number, because the mean of its divisors is an integer number (14492520).

Almost surely, 2^141565666 is an apocalyptic number.

141565666 is a deficient number, since it is larger than the sum of its proper divisors (90314654).

141565666 is a wasteful number, since it uses less digits than its factorization.

141565666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6329.

The product of its digits is 129600, while the sum is 40.

The square root of 141565666 is about 11898.1370810728. The cubic root of 141565666 is about 521.1778846188.

It can be divided in two parts, 1415 and 65666, that added together give a square (67081 = 259²).

The spelling of 141565666 in words is "one hundred forty-one million, five hundred sixty-five thousand, six hundred sixty-six".