141663647 has 16 divisors (see below), whose sum is σ = 151538688. Its totient is φ = 132132000.

The previous prime is 141663619. The next prime is 141663667. The reversal of 141663647 is 746366141.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-141663647 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 141663647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141663607) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 305738 + ... + 306200.

It is an arithmetic number, because the mean of its divisors is an integer number (9471168).

Almost surely, 2^141663647 is an apocalyptic number.

141663647 is a deficient number, since it is larger than the sum of its proper divisors (9875041).

141663647 is a wasteful number, since it uses less digits than its factorization.

141663647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790.

The product of its digits is 72576, while the sum is 38.

The square root of 141663647 is about 11902.2538621893. The cubic root of 141663647 is about 521.2980968027.

It can be divided in two parts, 14 and 1663647, that added together give a palindrome (1663661).

The spelling of 141663647 in words is "one hundred forty-one million, six hundred sixty-three thousand, six hundred forty-seven".