166149095 has 16 divisors (see below), whose sum is σ = 230986560. Its totient is φ = 112368384.

The previous prime is 166149083. The next prime is 166149101. The reversal of 166149095 is 590941661.

It is a cyclic number.

It is not a de Polignac number, because 166149095 - 2⁶ = 166149031 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29960 + ... + 35069.

It is an arithmetic number, because the mean of its divisors is an integer number (14436660).

Almost surely, 2^166149095 is an apocalyptic number.

166149095 is a deficient number, since it is larger than the sum of its proper divisors (64837465).

166149095 is an equidigital number, since it uses as much as digits as its factorization.

166149095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65114.

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 166149095 is about 12889.8834362457. The cubic root of 166149095 is about 549.7509561187.

The spelling of 166149095 in words is "one hundred sixty-six million, one hundred forty-nine thousand, ninety-five".