10642663 has 8 divisors (see below), whose sum is σ = 11297232. Its totient is φ = 9991296.

The previous prime is 10642661. The next prime is 10642669. The reversal of 10642663 is 36624601.

10642663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 10642663 - 2¹ = 10642661 is a prime.

It is a super-2 number, since 2×10642663² = 226532551463138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10642661) 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, 12456 + ... + 13282.

It is an arithmetic number, because the mean of its divisors is an integer number (1412154).

Almost surely, 2^10642663 is an apocalyptic number.

10642663 is a deficient number, since it is larger than the sum of its proper divisors (654569).

10642663 is an equidigital number, since it uses as much as digits as its factorization.

10642663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 10642663 is about 3262.3094580374. The cubic root of 10642663 is about 219.9632376590.

It can be divided in two parts, 10642 and 663, that multiplied together give a triangular number (7055646 = T₃₇₅₆).

The spelling of 10642663 in words is "ten million, six hundred forty-two thousand, six hundred sixty-three".