10645531554166 has 8 divisors (see below), whose sum is σ = 15968313778320. Its totient is φ = 5322760294728.

The previous prime is 10645531554139. The next prime is 10645531554169. The reversal of 10645531554166 is 66145513554601.

10645531554166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×10645531554166² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10645531554169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 411015 + ... + 4632493.

It is an arithmetic number, because the mean of its divisors is an integer number (1996039222290).

Almost surely, 2^{10645531554166} is an apocalyptic number.

10645531554166 is a deficient number, since it is larger than the sum of its proper divisors (5322782224154).

10645531554166 is a wasteful number, since it uses less digits than its factorization.

10645531554166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5482358.

The product of its (nonzero) digits is 6480000, while the sum is 52.

The spelling of 10645531554166 in words is "ten trillion, six hundred forty-five billion, five hundred thirty-one million, five hundred fifty-four thousand, one hundred sixty-six".