166376434 has 32 divisors (see below), whose sum is σ = 303264000. Its totient is φ = 66910272.

The previous prime is 166376429. The next prime is 166376459. The reversal of 166376434 is 434673661.

It is a happy number.

It is a super-2 number, since 2×166376434² = 55362235581112712, which contains 22 as substring.

It is an unprimeable number.

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, 12192 + ... + 21940.

It is an arithmetic number, because the mean of its divisors is an integer number (9477000).

Almost surely, 2^166376434 is an apocalyptic number.

166376434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

166376434 is a deficient number, since it is larger than the sum of its proper divisors (136887566).

166376434 is a wasteful number, since it uses less digits than its factorization.

166376434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9834.

The product of its digits is 217728, while the sum is 40.

The square root of 166376434 is about 12898.6989266360. The cubic root of 166376434 is about 550.0015801607.

The spelling of 166376434 in words is "one hundred sixty-six million, three hundred seventy-six thousand, four hundred thirty-four".