166342052546 has 8 divisors (see below), whose sum is σ = 251308137360. Its totient is φ = 82572673428.

The previous prime is 166342052531. The next prime is 166342052567. The reversal of 166342052546 is 645250243661.

It is a happy number.

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

It is a super-4 number, since 4×166342052546⁴ (a number of 46 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 166342052497 and 166342052506.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 299176076 + ... + 299176631.

It is an arithmetic number, because the mean of its divisors is an integer number (31413517170).

Almost surely, 2^166342052546 is an apocalyptic number.

166342052546 is a deficient number, since it is larger than the sum of its proper divisors (84966084814).

166342052546 is a wasteful number, since it uses less digits than its factorization.

166342052546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598352848.

The product of its (nonzero) digits is 1036800, while the sum is 44.

The spelling of 166342052546 in words is "one hundred sixty-six billion, three hundred forty-two million, fifty-two thousand, five hundred forty-six".