166946157234 has 24 divisors (see below), whose sum is σ = 365228490432. Its totient is φ = 55108439640.

The previous prime is 166946157221. The next prime is 166946157269. The reversal of 166946157234 is 432751649661.

It is a happy number.

166946157234 is a `hidden beast` number, since 1 + 6 + 6 + 9 + 4 + 61 + 572 + 3 + 4 = 666.

166946157234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×166946157234³ (a number of 35 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45021382 + ... + 45025089.

It is an arithmetic number, because the mean of its divisors is an integer number (15217853768).

Almost surely, 2^166946157234 is an apocalyptic number.

166946157234 is an abundant number, since it is smaller than the sum of its proper divisors (198282333198).

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

166946157234 is a wasteful number, since it uses less digits than its factorization.

166946157234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90046582 (or 90046579 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 54.

The spelling of 166946157234 in words is "one hundred sixty-six billion, nine hundred forty-six million, one hundred fifty-seven thousand, two hundred thirty-four".