166858352610 has 16 divisors (see below), whose sum is σ = 400460046336. Its totient is φ = 44495560688.

The previous prime is 166858352537. The next prime is 166858352629. The reversal of 166858352610 is 16253858661.

It is a happy number.

166858352610 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2780972514 + ... + 2780972573.

It is an arithmetic number, because the mean of its divisors is an integer number (25028752896).

Almost surely, 2^166858352610 is an apocalyptic number.

166858352610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166858352610 is an abundant number, since it is smaller than the sum of its proper divisors (233601693726).

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

166858352610 is a wasteful number, since it uses less digits than its factorization.

166858352610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5561945097.

The product of its (nonzero) digits is 2073600, while the sum is 51.

The spelling of 166858352610 in words is "one hundred sixty-six billion, eight hundred fifty-eight million, three hundred fifty-two thousand, six hundred ten".