166429630 has 16 divisors (see below), whose sum is σ = 299738880. Its totient is φ = 66535072.

The previous prime is 166429621. The next prime is 166429639. The reversal of 166429630 is 36924661.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (166429621) and next prime (166429639).

It is a self number, because there is not a number n which added to its sum of digits gives 166429630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166429639) 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 7 ways as a sum of consecutive naturals, for example, 21411 + ... + 28129.

It is an arithmetic number, because the mean of its divisors is an integer number (18733680).

Almost surely, 2^166429630 is an apocalyptic number.

166429630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166429630 is a deficient number, since it is larger than the sum of its proper divisors (133309250).

166429630 is a wasteful number, since it uses less digits than its factorization.

166429630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9203.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 166429630 is about 12900.7608302766. The cubic root of 166429630 is about 550.0601917595.

The spelling of 166429630 in words is "one hundred sixty-six million, four hundred twenty-nine thousand, six hundred thirty".