166132497 has 16 divisors (see below), whose sum is σ = 226068480. Its totient is φ = 108498000.

The previous prime is 166132493. The next prime is 166132507. The reversal of 166132497 is 794231661.

It is not a de Polignac number, because 166132497 - 2² = 166132493 is a prime.

It is not an unprimeable number, because it can be changed into a prime (166132493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28372 + ... + 33722.

It is an arithmetic number, because the mean of its divisors is an integer number (14129280).

Almost surely, 2^166132497 is an apocalyptic number.

It is an amenable number.

166132497 is a deficient number, since it is larger than the sum of its proper divisors (59935983).

166132497 is a wasteful number, since it uses less digits than its factorization.

166132497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5564.

The product of its digits is 54432, while the sum is 39.

The square root of 166132497 is about 12889.2395819148. The cubic root of 166132497 is about 549.7326491272.

It can be divided in two parts, 16613 and 2497, that added together give a triangular number (19110 = T₁₉₅).

The spelling of 166132497 in words is "one hundred sixty-six million, one hundred thirty-two thousand, four hundred ninety-seven".