7946513656 has 8 divisors (see below), whose sum is σ = 14899713120. Its totient is φ = 3973256824.

The previous prime is 7946513611. The next prime is 7946513669. The reversal of 7946513656 is 6563156497.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 496657096 + ... + 496657111.

It is an arithmetic number, because the mean of its divisors is an integer number (1862464140).

Almost surely, 2^7946513656 is an apocalyptic number.

It is an amenable number.

7946513656 is a deficient number, since it is larger than the sum of its proper divisors (6953199464).

7946513656 is a wasteful number, since it uses less digits than its factorization.

7946513656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993314213 (or 993314209 counting only the distinct ones).

The product of its digits is 4082400, while the sum is 52.

The square root of 7946513656 is about 89143.2199104340. The cubic root of 7946513656 is about 1995.5328343108.

The spelling of 7946513656 in words is "seven billion, nine hundred forty-six million, five hundred thirteen thousand, six hundred fifty-six".