166958659710 has 48 divisors (see below), whose sum is σ = 459627373296. Its totient is φ = 41903349504.

The previous prime is 166958659709. The next prime is 166958659717. The reversal of 166958659710 is 17956859661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166958659717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54560124 + ... + 54563183.

It is an arithmetic number, because the mean of its divisors is an integer number (9575570277).

Almost surely, 2^166958659710 is an apocalyptic number.

166958659710 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166958659710 is an abundant number, since it is smaller than the sum of its proper divisors (292668713586).

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

166958659710 is a wasteful number, since it uses less digits than its factorization.

166958659710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109123337 (or 109123334 counting only the distinct ones).

The product of its (nonzero) digits is 24494400, while the sum is 63.

The spelling of 166958659710 in words is "one hundred sixty-six billion, nine hundred fifty-eight million, six hundred fifty-nine thousand, seven hundred ten".