647376216061 has 8 divisors (see below), whose sum is σ = 657060600384. Its totient is φ = 637692480480.

The previous prime is 647376216041. The next prime is 647376216089. The reversal of 647376216061 is 160612673746.

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

It is a cyclic number.

It is not a de Polignac number, because 647376216061 - 2⁵ = 647376216029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 647376215996 and 647376216014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (647376216041) 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, 2078241 + ... + 2369353.

It is an arithmetic number, because the mean of its divisors is an integer number (82132575048).

Almost surely, 2^647376216061 is an apocalyptic number.

It is an amenable number.

647376216061 is a deficient number, since it is larger than the sum of its proper divisors (9684384323).

647376216061 is a wasteful number, since it uses less digits than its factorization.

647376216061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324371.

The product of its (nonzero) digits is 1524096, while the sum is 49.

The spelling of 647376216061 in words is "six hundred forty-seven billion, three hundred seventy-six million, two hundred sixteen thousand, sixty-one".