166787853356 has 12 divisors (see below), whose sum is σ = 291892949040. Its totient is φ = 83389867920.

The previous prime is 166787853319. The next prime is 166787853373. The reversal of 166787853356 is 653358787661.

It is a junction number, because it is equal to n+sod(n) for n = 166787853292 and 166787853301.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 921275 + ... + 1087346.

It is an arithmetic number, because the mean of its divisors is an integer number (24324412420).

Almost surely, 2^166787853356 is an apocalyptic number.

It is an amenable number.

166787853356 is a deficient number, since it is larger than the sum of its proper divisors (125105095684).

166787853356 is a wasteful number, since it uses less digits than its factorization.

166787853356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2029384 (or 2029382 counting only the distinct ones).

The product of its digits is 152409600, while the sum is 65.

The spelling of 166787853356 in words is "one hundred sixty-six billion, seven hundred eighty-seven million, eight hundred fifty-three thousand, three hundred fifty-six".