166442541650510 has 16 divisors (see below), whose sum is σ = 306563937180336. Its totient is φ = 65028713947008.

The previous prime is 166442541650471. The next prime is 166442541650551. The reversal of 166442541650510 is 15056145244661.

It is a super-2 number, since 2×166442541650510² (a number of 29 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 7 ways as a sum of consecutive naturals, for example, 193537838699 + ... + 193537839558.

It is an arithmetic number, because the mean of its divisors is an integer number (19160246073771).

Almost surely, 2^{166442541650510} is an apocalyptic number.

166442541650510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166442541650510 is a deficient number, since it is larger than the sum of its proper divisors (140121395529826).

166442541650510 is a wasteful number, since it uses less digits than its factorization.

166442541650510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387075678307.

The product of its (nonzero) digits is 3456000, while the sum is 50.

The spelling of 166442541650510 in words is "one hundred sixty-six trillion, four hundred forty-two billion, five hundred forty-one million, six hundred fifty thousand, five hundred ten".