10638664086 has 16 divisors (see below), whose sum is σ = 21546662400. Its totient is φ = 3501332328.

The previous prime is 10638664067. The next prime is 10638664147. The reversal of 10638664086 is 68046683601.

It is a super-2 number, since 2×10638664086² (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 7 ways as a sum of consecutive naturals, for example, 11221746 + ... + 11222693.

It is an arithmetic number, because the mean of its divisors is an integer number (1346666400).

Almost surely, 2^10638664086 is an apocalyptic number.

10638664086 is an abundant number, since it is smaller than the sum of its proper divisors (10907998314).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10638664086 is a wasteful number, since it uses less digits than its factorization.

10638664086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22444523.

The product of its (nonzero) digits is 995328, while the sum is 48.

The spelling of 10638664086 in words is "ten billion, six hundred thirty-eight million, six hundred sixty-four thousand, eighty-six".