63065461661 has 8 divisors (see below), whose sum is σ = 65126513664. Its totient is φ = 61006077360.

The previous prime is 63065461583. The next prime is 63065461681. The reversal of 63065461661 is 16616456036.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63065461661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63065461681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339830 + ... + 491543.

It is an arithmetic number, because the mean of its divisors is an integer number (8140814208).

Almost surely, 2^63065461661 is an apocalyptic number.

It is an amenable number.

63065461661 is a deficient number, since it is larger than the sum of its proper divisors (2061052003).

63065461661 is a wasteful number, since it uses less digits than its factorization.

63065461661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833851.

The product of its (nonzero) digits is 466560, while the sum is 44.

The spelling of 63065461661 in words is "sixty-three billion, sixty-five million, four hundred sixty-one thousand, six hundred sixty-one".