166842518350 has 24 divisors (see below), whose sum is σ = 314578146960. Its totient is φ = 65822800320.

The previous prime is 166842518317. The next prime is 166842518357. The reversal of 166842518350 is 53815248661.

It is a junction number, because it is equal to n+sod(n) for n = 166842518294 and 166842518303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166842518357) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22851490 + ... + 22858789.

It is an arithmetic number, because the mean of its divisors is an integer number (13107422790).

Almost surely, 2^166842518350 is an apocalyptic number.

166842518350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166842518350 is a deficient number, since it is larger than the sum of its proper divisors (147735628610).

166842518350 is a wasteful number, since it uses less digits than its factorization.

166842518350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45710364 (or 45710359 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 49.

The spelling of 166842518350 in words is "one hundred sixty-six billion, eight hundred forty-two million, five hundred eighteen thousand, three hundred fifty".