166236464 has 20 divisors (see below), whose sum is σ = 323230056. Its totient is φ = 82822272.

The previous prime is 166236463. The next prime is 166236487. The reversal of 166236464 is 464632661.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (166236463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13829 + ... + 22884.

Almost surely, 2^166236464 is an apocalyptic number.

It is an amenable number.

166236464 is a deficient number, since it is larger than the sum of its proper divisors (156993592).

166236464 is a wasteful number, since it uses less digits than its factorization.

166236464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37004 (or 36998 counting only the distinct ones).

The product of its digits is 124416, while the sum is 38.

The square root of 166236464 is about 12893.2720439770. The cubic root of 166236464 is about 549.8473008600.

The spelling of 166236464 in words is "one hundred sixty-six million, two hundred thirty-six thousand, four hundred sixty-four".