166948051 has 16 divisors (see below), whose sum is σ = 176726016. Its totient is φ = 157500000.

The previous prime is 166948049. The next prime is 166948073. The reversal of 166948051 is 150849661.

It is a cyclic number.

It is not a de Polignac number, because 166948051 - 2¹ = 166948049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 166947995 and 166948013.

It is not an unprimeable number, because it can be changed into a prime (166948031) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 221926 + ... + 222676.

It is an arithmetic number, because the mean of its divisors is an integer number (11045376).

Almost surely, 2^166948051 is an apocalyptic number.

166948051 is a deficient number, since it is larger than the sum of its proper divisors (9777965).

166948051 is a wasteful number, since it uses less digits than its factorization.

166948051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 166948051 is about 12920.8378598294. The cubic root of 166948051 is about 550.6307375535.

The spelling of 166948051 in words is "one hundred sixty-six million, nine hundred forty-eight thousand, fifty-one".