141664623 has 8 divisors (see below), whose sum is σ = 195399600. Its totient is φ = 91186368.

The previous prime is 141664619. The next prime is 141664643. The reversal of 141664623 is 326466141.

141664623 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 141664623 - 2² = 141664619 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141664643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 814078 + ... + 814251.

It is an arithmetic number, because the mean of its divisors is an integer number (24424950).

Almost surely, 2^141664623 is an apocalyptic number.

141664623 is a deficient number, since it is larger than the sum of its proper divisors (53734977).

141664623 is a wasteful number, since it uses less digits than its factorization.

141664623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1628361.

The product of its digits is 20736, while the sum is 33.

The square root of 141664623 is about 11902.2948627565. The cubic root of 141664623 is about 521.2992939712.

The spelling of 141664623 in words is "one hundred forty-one million, six hundred sixty-four thousand, six hundred twenty-three".