166710605755 has 16 divisors (see below), whose sum is σ = 204548932224. Its totient is φ = 130377674880.

The previous prime is 166710605749. The next prime is 166710605773. The reversal of 166710605755 is 557506017661.

It is not a de Polignac number, because 166710605755 - 2¹¹ = 166710603707 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 166710605699 and 166710605708.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 215376 + ... + 616285.

It is an arithmetic number, because the mean of its divisors is an integer number (12784308264).

Almost surely, 2^166710605755 is an apocalyptic number.

166710605755 is a deficient number, since it is larger than the sum of its proper divisors (37838326469).

166710605755 is an equidigital number, since it uses as much as digits as its factorization.

166710605755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832566.

The product of its (nonzero) digits is 1323000, while the sum is 49.

The spelling of 166710605755 in words is "one hundred sixty-six billion, seven hundred ten million, six hundred five thousand, seven hundred fifty-five".