166562350042 has 16 divisors (see below), whose sum is σ = 273757270752. Its totient is φ = 75376631920.

The previous prime is 166562350027. The next prime is 166562350067. The reversal of 166562350042 is 240053265661.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 166562349977 and 166562350004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16671253 + ... + 16681240.

It is an arithmetic number, because the mean of its divisors is an integer number (17109829422).

Almost surely, 2^166562350042 is an apocalyptic number.

166562350042 is a deficient number, since it is larger than the sum of its proper divisors (107194920710).

166562350042 is a wasteful number, since it uses less digits than its factorization.

166562350042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33352733.

The product of its (nonzero) digits is 259200, while the sum is 40.

The spelling of 166562350042 in words is "one hundred sixty-six billion, five hundred sixty-two million, three hundred fifty thousand, forty-two".