166070455 has 8 divisors (see below), whose sum is σ = 199408752. Its totient is φ = 132773568.

The previous prime is 166070453. The next prime is 166070473. The reversal of 166070455 is 554070661.

It is a happy number.

166070455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 166070455 - 2¹ = 166070453 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 166070455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166070453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 709 + ... + 18238.

It is an arithmetic number, because the mean of its divisors is an integer number (24926094).

Almost surely, 2^166070455 is an apocalyptic number.

166070455 is a deficient number, since it is larger than the sum of its proper divisors (33338297).

166070455 is a wasteful number, since it uses less digits than its factorization.

166070455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20705.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 166070455 is about 12886.8326209352. The cubic root of 166070455 is about 549.6642082538.

The spelling of 166070455 in words is "one hundred sixty-six million, seventy thousand, four hundred fifty-five".