166122770 has 16 divisors (see below), whose sum is σ = 326204928. Its totient is φ = 60408240.

The previous prime is 166122763. The next prime is 166122779. The reversal of 166122770 is 77221661.

166122770 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (166122779) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 754994 + ... + 755213.

It is an arithmetic number, because the mean of its divisors is an integer number (20387808).

Almost surely, 2^166122770 is an apocalyptic number.

166122770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166122770 is a deficient number, since it is larger than the sum of its proper divisors (160082158).

166122770 is a wasteful number, since it uses less digits than its factorization.

166122770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1510225.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 166122770 is about 12888.8622461410. The cubic root of 166122770 is about 549.7219200325.

The spelling of 166122770 in words is "one hundred sixty-six million, one hundred twenty-two thousand, seven hundred seventy".