10640564122 has 4 divisors (see below), whose sum is σ = 15960846186. Its totient is φ = 5320282060.

The previous prime is 10640564113. The next prime is 10640564131. The reversal of 10640564122 is 22146504601.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (10640564113) and next prime (10640564131).

It can be written as a sum of positive squares in only one way, i.e., 7416482161 + 3224081961 = 86119^2 + 56781^2 .

It is a super-2 number, since 2×10640564122² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2660141029 + ... + 2660141032.

Almost surely, 2^10640564122 is an apocalyptic number.

10640564122 is a deficient number, since it is larger than the sum of its proper divisors (5320282064).

10640564122 is an equidigital number, since it uses as much as digits as its factorization.

10640564122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5320282063.

The product of its (nonzero) digits is 11520, while the sum is 31.

The spelling of 10640564122 in words is "ten billion, six hundred forty million, five hundred sixty-four thousand, one hundred twenty-two".