663647465070 has 48 divisors (see below), whose sum is σ = 1726807953312. Its totient is φ = 176836806720.

The previous prime is 663647465059. The next prime is 663647465071. The reversal of 663647465070 is 70564746366.

663647465070 is a `hidden beast` number, since 6 + 6 + 3 + 64 + 74 + 6 + 507 + 0 = 666.

663647465070 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 = 663647464998 and 663647465016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663647465071) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2712301 + ... + 2946840.

It is an arithmetic number, because the mean of its divisors is an integer number (35975165694).

Almost surely, 2^663647465070 is an apocalyptic number.

663647465070 is an abundant number, since it is smaller than the sum of its proper divisors (1063160488242).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

663647465070 is a wasteful number, since it uses less digits than its factorization.

663647465070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5660457 (or 5660454 counting only the distinct ones).

The product of its (nonzero) digits is 15240960, while the sum is 54.

The spelling of 663647465070 in words is "six hundred sixty-three billion, six hundred forty-seven million, four hundred sixty-five thousand, seventy".