166610542 has 16 divisors (see below), whose sum is σ = 285812352. Its totient is φ = 71355960.

The previous prime is 166610527. The next prime is 166610567. The reversal of 166610542 is 245016661.

It is a congruent number.

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, 23953 + ... + 30115.

It is an arithmetic number, because the mean of its divisors is an integer number (17863272).

Almost surely, 2^166610542 is an apocalyptic number.

166610542 is a deficient number, since it is larger than the sum of its proper divisors (119201810).

166610542 is a wasteful number, since it uses less digits than its factorization.

166610542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8103.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 166610542 is about 12907.7706053369. The cubic root of 166610542 is about 550.2594280251.

The spelling of 166610542 in words is "one hundred sixty-six million, six hundred ten thousand, five hundred forty-two".