656006145004 has 24 divisors (see below), whose sum is σ = 1329985065248. Its totient is φ = 277294181760.

The previous prime is 656006144951. The next prime is 656006145013. The reversal of 656006145004 is 400541600656.

656006145004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160469127 + ... + 160473214.

Almost surely, 2^656006145004 is an apocalyptic number.

It is an amenable number.

656006145004 is an abundant number, since it is smaller than the sum of its proper divisors (673978920244).

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

656006145004 is a wasteful number, since it uses less digits than its factorization.

656006145004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320942425 (or 320942423 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 656006145004 in words is "six hundred fifty-six billion, six million, one hundred forty-five thousand, four".