166429315 has 24 divisors (see below), whose sum is σ = 218093904. Its totient is φ = 121200000.

The previous prime is 166429313. The next prime is 166429321. The reversal of 166429315 is 513924661.

It is not a de Polignac number, because 166429315 - 2¹ = 166429313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166429313) 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 23 ways as a sum of consecutive naturals, for example, 662940 + ... + 663190.

It is an arithmetic number, because the mean of its divisors is an integer number (9087246).

Almost surely, 2^166429315 is an apocalyptic number.

166429315 is a deficient number, since it is larger than the sum of its proper divisors (51664589).

166429315 is a wasteful number, since it uses less digits than its factorization.

166429315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471 (or 370 counting only the distinct ones).

The product of its digits is 38880, while the sum is 37.

The square root of 166429315 is about 12900.7486216886. The cubic root of 166429315 is about 550.0598447278.

The spelling of 166429315 in words is "one hundred sixty-six million, four hundred twenty-nine thousand, three hundred fifteen".