166059742 has 16 divisors (see below), whose sum is σ = 263165760. Its totient is φ = 78459808.

The previous prime is 166059727. The next prime is 166059763. The reversal of 166059742 is 247950661.

It is a junction number, because it is equal to n+sod(n) for n = 166059695 and 166059704.

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 7 ways as a sum of consecutive naturals, for example, 27733 + ... + 33184.

It is an arithmetic number, because the mean of its divisors is an integer number (16447860).

Almost surely, 2^166059742 is an apocalyptic number.

166059742 is a deficient number, since it is larger than the sum of its proper divisors (97106018).

166059742 is a wasteful number, since it uses less digits than its factorization.

166059742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60995.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 166059742 is about 12886.4169574013. The cubic root of 166059742 is about 549.6523886132.

The spelling of 166059742 in words is "one hundred sixty-six million, fifty-nine thousand, seven hundred forty-two".