166240782 has 32 divisors (see below), whose sum is σ = 370252800. Its totient is φ = 55289304.

The previous prime is 166240771. The next prime is 166240787. The reversal of 166240782 is 287042661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166240787) 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, 22653 + ... + 29079.

It is an arithmetic number, because the mean of its divisors is an integer number (11570400).

Almost surely, 2^166240782 is an apocalyptic number.

166240782 is an abundant number, since it is smaller than the sum of its proper divisors (204012018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166240782 is a wasteful number, since it uses less digits than its factorization.

166240782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6917 (or 6911 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 166240782 is about 12893.4394945647. The cubic root of 166240782 is about 549.8520615887.

The spelling of 166240782 in words is "one hundred sixty-six million, two hundred forty thousand, seven hundred eighty-two".