10128063646 has 8 divisors (see below), whose sum is σ = 15715960920. Its totient is φ = 4889410008.

The previous prime is 10128063641. The next prime is 10128063679. The reversal of 10128063646 is 64636082101.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10128063641) 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, 87310836 + ... + 87310951.

It is an arithmetic number, because the mean of its divisors is an integer number (1964495115).

Almost surely, 2^10128063646 is an apocalyptic number.

10128063646 is a deficient number, since it is larger than the sum of its proper divisors (5587897274).

10128063646 is a wasteful number, since it uses less digits than its factorization.

10128063646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174621818.

The product of its (nonzero) digits is 41472, while the sum is 37.

The spelling of 10128063646 in words is "ten billion, one hundred twenty-eight million, sixty-three thousand, six hundred forty-six".