63916601 has 4 divisors (see below), whose sum is σ = 73047552. Its totient is φ = 54785652.

The previous prime is 63916597. The next prime is 63916613. The reversal of 63916601 is 10661936.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 63916601 - 2² = 63916597 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63916621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4565465 + ... + 4565478.

It is an arithmetic number, because the mean of its divisors is an integer number (18261888).

Almost surely, 2^63916601 is an apocalyptic number.

It is an amenable number.

63916601 is a deficient number, since it is larger than the sum of its proper divisors (9130951).

63916601 is an equidigital number, since it uses as much as digits as its factorization.

63916601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9130950.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 63916601 is about 7994.7858632987. The cubic root of 63916601 is about 399.8261765578.

The spelling of 63916601 in words is "sixty-three million, nine hundred sixteen thousand, six hundred one".