166260074 has 8 divisors (see below), whose sum is σ = 257989860. Its totient is φ = 80263456.

The previous prime is 166260071. The next prime is 166260097. The reversal of 166260074 is 470062661.

It can be written as a sum of positive squares in 2 ways, for example, as 166229449 + 30625 = 12893^2 + 175^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 166260074.

It is not an unprimeable number, because it can be changed into a prime (166260071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1433219 + ... + 1433334.

Almost surely, 2^166260074 is an apocalyptic number.

166260074 is a deficient number, since it is larger than the sum of its proper divisors (91729786).

166260074 is a wasteful number, since it uses less digits than its factorization.

166260074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2866584.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 166260074 is about 12894.1876052739. The cubic root of 166260074 is about 549.8733306089.

The spelling of 166260074 in words is "one hundred sixty-six million, two hundred sixty thousand, seventy-four".