10660015550 has 24 divisors (see below), whose sum is σ = 20871190200. Its totient is φ = 4039584480.

The previous prime is 10660015543. The next prime is 10660015649. The reversal of 10660015550 is 5551006601.

It is a super-2 number, since 2×10660015550² (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 11 ways as a sum of consecutive naturals, for example, 5609585 + ... + 5611484.

It is an arithmetic number, because the mean of its divisors is an integer number (869632925).

Almost surely, 2^10660015550 is an apocalyptic number.

10660015550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10660015550 is a deficient number, since it is larger than the sum of its proper divisors (10211174650).

10660015550 is a wasteful number, since it uses less digits than its factorization.

10660015550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11221100 (or 11221095 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 29.

The spelling of 10660015550 in words is "ten billion, six hundred sixty million, fifteen thousand, five hundred fifty".