166070270719 has 32 divisors (see below), whose sum is σ = 177153260544. Its totient is φ = 155348202240.

The previous prime is 166070270699. The next prime is 166070270741. The reversal of 166070270719 is 917072070661.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-166070270719 is a prime.

It is a super-2 number, since 2×166070270719² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166070270519) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 226562077 + ... + 226562809.

It is an arithmetic number, because the mean of its divisors is an integer number (5536039392).

Almost surely, 2^166070270719 is an apocalyptic number.

166070270719 is a deficient number, since it is larger than the sum of its proper divisors (11082989825).

166070270719 is a wasteful number, since it uses less digits than its factorization.

166070270719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1687.

The product of its (nonzero) digits is 222264, while the sum is 46.

The spelling of 166070270719 in words is "one hundred sixty-six billion, seventy million, two hundred seventy thousand, seven hundred nineteen".