1670201700166 has 4 divisors (see below), whose sum is σ = 2505302550252. Its totient is φ = 835100850082.

The previous prime is 1670201700131. The next prime is 1670201700199. The reversal of 1670201700166 is 6610071020761.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 417550425040 + ... + 417550425043.

It is an arithmetic number, because the mean of its divisors is an integer number (626325637563).

Almost surely, 2^{1670201700166} is an apocalyptic number.

1670201700166 is a deficient number, since it is larger than the sum of its proper divisors (835100850086).

1670201700166 is an equidigital number, since it uses as much as digits as its factorization.

1670201700166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835100850085.

The product of its (nonzero) digits is 21168, while the sum is 37.

The spelling of 1670201700166 in words is "one trillion, six hundred seventy billion, two hundred one million, seven hundred thousand, one hundred sixty-six".