166016492851 has 12 divisors (see below), whose sum is σ = 182494620000. Its totient is φ = 150912769040.

The previous prime is 166016492849. The next prime is 166016492881. The reversal of 166016492851 is 158294610661.

It is a happy number.

It is not a de Polignac number, because 166016492851 - 2¹ = 166016492849 is a prime.

It is a super-2 number, since 2×166016492851² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 166016492795 and 166016492804.

It is not an unprimeable number, because it can be changed into a prime (166016492881) 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, 1862070 + ... + 1949188.

It is an arithmetic number, because the mean of its divisors is an integer number (15207885000).

Almost surely, 2^166016492851 is an apocalyptic number.

166016492851 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

166016492851 is a deficient number, since it is larger than the sum of its proper divisors (16478127149).

166016492851 is a wasteful number, since it uses less digits than its factorization.

166016492851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102890 (or 102879 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 49.

The spelling of 166016492851 in words is "one hundred sixty-six billion, sixteen million, four hundred ninety-two thousand, eight hundred fifty-one".