10366166521 has 8 divisors (see below), whose sum is σ = 10382292864. Its totient is φ = 10350055440.

The previous prime is 10366166497. The next prime is 10366166533. The reversal of 10366166521 is 12566166301.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10366166521 is a prime.

It is a super-2 number, since 2×10366166521² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10366166561) 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, 2233215 + ... + 2237851.

It is an arithmetic number, because the mean of its divisors is an integer number (1297786608).

Almost surely, 2^10366166521 is an apocalyptic number.

It is an amenable number.

10366166521 is a deficient number, since it is larger than the sum of its proper divisors (16126343).

10366166521 is a wasteful number, since it uses less digits than its factorization.

10366166521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7631.

The product of its (nonzero) digits is 38880, while the sum is 37.

The spelling of 10366166521 in words is "ten billion, three hundred sixty-six million, one hundred sixty-six thousand, five hundred twenty-one".