10664215615122 has 8 divisors (see below), whose sum is σ = 21328431230256. Its totient is φ = 3554738538372.

The previous prime is 10664215615093. The next prime is 10664215615169. The reversal of 10664215615122 is 22151651246601.

It is a happy number.

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

10664215615122 is an admirable number.

It is a super-2 number, since 2×10664215615122² (a number of 27 digits) contains 22 as substring.

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, 888684634588 + ... + 888684634599.

It is an arithmetic number, because the mean of its divisors is an integer number (2666053903782).

Almost surely, 2^{10664215615122} is an apocalyptic number.

10664215615122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

10664215615122 is a wasteful number, since it uses less digits than its factorization.

10664215615122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1777369269192.

The product of its (nonzero) digits is 172800, while the sum is 42.

The spelling of 10664215615122 in words is "ten trillion, six hundred sixty-four billion, two hundred fifteen million, six hundred fifteen thousand, one hundred twenty-two".