10421667766 has 8 divisors (see below), whose sum is σ = 16171553520. Its totient is φ = 5031149928.

The previous prime is 10421667691. The next prime is 10421667791. The reversal of 10421667766 is 66776612401.

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

It is a super-2 number, since 2×10421667766² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89841906 + ... + 89842021.

It is an arithmetic number, because the mean of its divisors is an integer number (2021444190).

Almost surely, 2^10421667766 is an apocalyptic number.

10421667766 is a deficient number, since it is larger than the sum of its proper divisors (5749885754).

10421667766 is a wasteful number, since it uses less digits than its factorization.

10421667766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179683958.

The product of its (nonzero) digits is 508032, while the sum is 46.

The spelling of 10421667766 in words is "ten billion, four hundred twenty-one million, six hundred sixty-seven thousand, seven hundred sixty-six".