617144671 has 16 divisors (see below), whose sum is σ = 756564480. Its totient is φ = 495364320.

The previous prime is 617144657. The next prime is 617144677. The reversal of 617144671 is 176441716.

617144671 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 617144671 - 2¹⁹ = 616620383 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 617144671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (617144677) 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, 90531 + ... + 97108.

It is an arithmetic number, because the mean of its divisors is an integer number (47285280).

Almost surely, 2^617144671 is an apocalyptic number.

617144671 is a deficient number, since it is larger than the sum of its proper divisors (139419809).

617144671 is a wasteful number, since it uses less digits than its factorization.

617144671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187686.

The product of its digits is 28224, while the sum is 37.

The square root of 617144671 is about 24842.3966436413. The cubic root of 617144671 is about 851.3908812940.

The spelling of 617144671 in words is "six hundred seventeen million, one hundred forty-four thousand, six hundred seventy-one".