166075614442 has 16 divisors (see below), whose sum is σ = 251086565664. Its totient is φ = 82380454000.

The previous prime is 166075614407. The next prime is 166075614443. The reversal of 166075614442 is 244416570661.

It is a happy number.

It is a super-2 number, since 2×166075614442² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 166075614392 and 166075614401.

It is not an unprimeable number, because it can be changed into a prime (166075614443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 849717 + ... + 1026727.

It is an arithmetic number, because the mean of its divisors is an integer number (15692910354).

Almost surely, 2^166075614442 is an apocalyptic number.

166075614442 is a deficient number, since it is larger than the sum of its proper divisors (85010951222).

166075614442 is a wasteful number, since it uses less digits than its factorization.

166075614442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180725.

The product of its (nonzero) digits is 967680, while the sum is 46.

The spelling of 166075614442 in words is "one hundred sixty-six billion, seventy-five million, six hundred fourteen thousand, four hundred forty-two".