647342161448 has 32 divisors (see below), whose sum is σ = 1266998112000. Its totient is φ = 309710628480.

The previous prime is 647342161447. The next prime is 647342161451. The reversal of 647342161448 is 844161243746.

647342161448 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 647342161396 and 647342161405.

It is not an unprimeable number, because it can be changed into a prime (647342161447) 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, 14642258 + ... + 14686401.

It is an arithmetic number, because the mean of its divisors is an integer number (39593691000).

Almost surely, 2^647342161448 is an apocalyptic number.

It is an amenable number.

647342161448 is a deficient number, since it is larger than the sum of its proper divisors (619655950552).

647342161448 is a wasteful number, since it uses less digits than its factorization.

647342161448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29328785 (or 29328781 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 50.

The spelling of 647342161448 in words is "six hundred forty-seven billion, three hundred forty-two million, one hundred sixty-one thousand, four hundred forty-eight".