166616234 has 16 divisors (see below), whose sum is σ = 252661248. Its totient is φ = 82401072.

The previous prime is 166616231. The next prime is 166616237. The reversal of 166616234 is 432616661.

It is an interprime number because it is at equal distance from previous prime (166616231) and next prime (166616237).

It is a junction number, because it is equal to n+sod(n) for n = 166616194 and 166616203.

It is not an unprimeable number, because it can be changed into a prime (166616231) 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, 73364 + ... + 75600.

It is an arithmetic number, because the mean of its divisors is an integer number (15791328).

Almost surely, 2^166616234 is an apocalyptic number.

166616234 is a deficient number, since it is larger than the sum of its proper divisors (86045014).

166616234 is a wasteful number, since it uses less digits than its factorization.

166616234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2629.

The product of its digits is 31104, while the sum is 35.

The square root of 166616234 is about 12907.9910907933. The cubic root of 166616234 is about 550.2656942172.

The spelling of 166616234 in words is "one hundred sixty-six million, six hundred sixteen thousand, two hundred thirty-four".