63401730566 has 16 divisors (see below), whose sum is σ = 96020827920. Its totient is φ = 31394969760.

The previous prime is 63401730547. The next prime is 63401730583. The reversal of 63401730566 is 66503710436.

It is a congruent 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, 681536 + ... + 768956.

It is an arithmetic number, because the mean of its divisors is an integer number (6001301745).

Almost surely, 2^63401730566 is an apocalyptic number.

63401730566 is a deficient number, since it is larger than the sum of its proper divisors (32619097354).

63401730566 is a wasteful number, since it uses less digits than its factorization.

63401730566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90919.

The product of its (nonzero) digits is 272160, while the sum is 41.

The spelling of 63401730566 in words is "sixty-three billion, four hundred one million, seven hundred thirty thousand, five hundred sixty-six".