663141042466 has 16 divisors (see below), whose sum is σ = 1137054026304. Its totient is φ = 284143101264.

The previous prime is 663141042409. The next prime is 663141042467. The reversal of 663141042466 is 664240141366.

It is a super-2 number, since 2×663141042466² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (663141042467) 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, 4948405 + ... + 5080648.

It is an arithmetic number, because the mean of its divisors is an integer number (71065876644).

Almost surely, 2^663141042466 is an apocalyptic number.

663141042466 is a deficient number, since it is larger than the sum of its proper divisors (473912983838).

663141042466 is a wasteful number, since it uses less digits than its factorization.

663141042466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10033785.

The product of its (nonzero) digits is 497664, while the sum is 43.

The spelling of 663141042466 in words is "six hundred sixty-three billion, one hundred forty-one million, forty-two thousand, four hundred sixty-six".