663257153287048 has 32 divisors (see below), whose sum is σ = 1316796922346400. Its totient is φ = 312112385770752.

The previous prime is 663257153287039. The next prime is 663257153287139. The reversal of 663257153287048 is 840782351752366.

It is a happy number.

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, 62463138 + ... + 72306001.

It is an arithmetic number, because the mean of its divisors is an integer number (41149903823325).

Almost surely, 2^{663257153287048} is an apocalyptic number.

663257153287048 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

663257153287048 is a deficient number, since it is larger than the sum of its proper divisors (653539769059352).

663257153287048 is a wasteful number, since it uses less digits than its factorization.

663257153287048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134805349 (or 134805345 counting only the distinct ones).

The product of its (nonzero) digits is 406425600, while the sum is 67.

The spelling of 663257153287048 in words is "six hundred sixty-three trillion, two hundred fifty-seven billion, one hundred fifty-three million, two hundred eighty-seven thousand, forty-eight".