10428857566 has 8 divisors (see below), whose sum is σ = 15643727424. Its totient is φ = 5214281760.

The previous prime is 10428857513. The next prime is 10428857567. The reversal of 10428857566 is 66575882401.

It is a happy number.

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

It is a super-2 number, since 2×10428857566² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10428857567) 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, 75846 + ... + 163126.

It is an arithmetic number, because the mean of its divisors is an integer number (1955465928).

Almost surely, 2^10428857566 is an apocalyptic number.

10428857566 is a deficient number, since it is larger than the sum of its proper divisors (5214869858).

10428857566 is an equidigital number, since it uses as much as digits as its factorization.

10428857566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147026.

The product of its (nonzero) digits is 3225600, while the sum is 52.

The spelling of 10428857566 in words is "ten billion, four hundred twenty-eight million, eight hundred fifty-seven thousand, five hundred sixty-six".