166129902 has 12 divisors (see below), whose sum is σ = 359948160. Its totient is φ = 55376628.

The previous prime is 166129891. The next prime is 166129927. The reversal of 166129902 is 209921661.

It is a super-3 number, since 3×166129902³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 4614702 + ... + 4614737.

It is an arithmetic number, because the mean of its divisors is an integer number (29995680).

Almost surely, 2^166129902 is an apocalyptic number.

166129902 is an abundant number, since it is smaller than the sum of its proper divisors (193818258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166129902 is a wasteful number, since it uses less digits than its factorization.

166129902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9229447 (or 9229444 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 166129902 is about 12889.1389161573. The cubic root of 166129902 is about 549.7297868261.

The spelling of 166129902 in words is "one hundred sixty-six million, one hundred twenty-nine thousand, nine hundred two".