166071055551204 has 48 divisors (see below), whose sum is σ = 407898682087680. Its totient is φ = 52442866185120.

The previous prime is 166071055551097. The next prime is 166071055551251. The reversal of 166071055551204 is 402155550170661.

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, 15020467 + ... + 23616869.

It is an arithmetic number, because the mean of its divisors is an integer number (8497889210160).

Almost surely, 2^{166071055551204} is an apocalyptic number.

It is an amenable number.

166071055551204 is an abundant number, since it is smaller than the sum of its proper divisors (241827626536476).

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

166071055551204 is a wasteful number, since it uses less digits than its factorization.

166071055551204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8681160 (or 8681158 counting only the distinct ones).

The product of its (nonzero) digits is 1260000, while the sum is 48.

The spelling of 166071055551204 in words is "one hundred sixty-six trillion, seventy-one billion, fifty-five million, five hundred fifty-one thousand, two hundred four".