166761130 has 16 divisors (see below), whose sum is σ = 300994560. Its totient is φ = 66521232.

The previous prime is 166761097. The next prime is 166761131. The reversal of 166761130 is 31167661.

It is a junction number, because it is equal to n+sod(n) for n = 166761092 and 166761101.

It is not an unprimeable number, because it can be changed into a prime (166761131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19050 + ... + 26389.

It is an arithmetic number, because the mean of its divisors is an integer number (18812160).

Almost surely, 2^166761130 is an apocalyptic number.

166761130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166761130 is a deficient number, since it is larger than the sum of its proper divisors (134233430).

166761130 is a wasteful number, since it uses less digits than its factorization.

166761130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45813.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 166761130 is about 12913.6025182751. The cubic root of 166761130 is about 550.4251588640.

The spelling of 166761130 in words is "one hundred sixty-six million, seven hundred sixty-one thousand, one hundred thirty".