166354042 has 8 divisors (see below), whose sum is σ = 249703776. Its totient is φ = 83119452.

The previous prime is 166354037. The next prime is 166354081. The reversal of 166354042 is 240453661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 166353995 and 166354013.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25078 + ... + 31009.

It is an arithmetic number, because the mean of its divisors is an integer number (31212972).

Almost surely, 2^166354042 is an apocalyptic number.

166354042 is a deficient number, since it is larger than the sum of its proper divisors (83349734).

166354042 is a wasteful number, since it uses less digits than its factorization.

166354042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57572.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 166354042 is about 12897.8309029077. The cubic root of 166354042 is about 549.9769048153.

The spelling of 166354042 in words is "one hundred sixty-six million, three hundred fifty-four thousand, forty-two".