655645247996 has 12 divisors (see below), whose sum is σ = 1147388186952. Its totient is φ = 327820051728.

The previous prime is 655645247953. The next prime is 655645248019. The reversal of 655645247996 is 699742546556.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2426 + ... + 1145118.

It is an arithmetic number, because the mean of its divisors is an integer number (95615682246).

Almost surely, 2^655645247996 is an apocalyptic number.

It is an amenable number.

655645247996 is a deficient number, since it is larger than the sum of its proper divisors (491742938956).

655645247996 is a wasteful number, since it uses less digits than its factorization.

655645247996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1286140 (or 1286138 counting only the distinct ones).

The product of its digits is 489888000, while the sum is 68.

The spelling of 655645247996 in words is "six hundred fifty-five billion, six hundred forty-five million, two hundred forty-seven thousand, nine hundred ninety-six".