663253144701 has 16 divisors (see below), whose sum is σ = 1013217243264. Its totient is φ = 378047127744.

The previous prime is 663253144699. The next prime is 663253144709. The reversal of 663253144701 is 107441352366.

It is not a de Polignac number, because 663253144701 - 2¹ = 663253144699 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663253144709) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39769350 + ... + 39786023.

It is an arithmetic number, because the mean of its divisors is an integer number (63326077704).

Almost surely, 2^663253144701 is an apocalyptic number.

It is an amenable number.

663253144701 is a deficient number, since it is larger than the sum of its proper divisors (349964098563).

663253144701 is a wasteful number, since it uses less digits than its factorization.

663253144701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79555780.

The product of its (nonzero) digits is 362880, while the sum is 42.

The spelling of 663253144701 in words is "six hundred sixty-three billion, two hundred fifty-three million, one hundred forty-four thousand, seven hundred one".