631052540606 has 8 divisors (see below), whose sum is σ = 946590094800. Its totient is φ = 315522509008.

The previous prime is 631052540581. The next prime is 631052540653. The reversal of 631052540606 is 606045250136.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 631052540606.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1666031 + ... + 2009418.

It is an arithmetic number, because the mean of its divisors is an integer number (118323761850).

Almost surely, 2^631052540606 is an apocalyptic number.

631052540606 is a deficient number, since it is larger than the sum of its proper divisors (315537554194).

631052540606 is a wasteful number, since it uses less digits than its factorization.

631052540606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3761298.

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 631052540606 in words is "six hundred thirty-one billion, fifty-two million, five hundred forty thousand, six hundred six".