166351141 has 8 divisors (see below), whose sum is σ = 183271968. Its totient is φ = 149730000.

The previous prime is 166351123. The next prime is 166351147. The reversal of 166351141 is 141153661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 166351141 - 2⁹ = 166350629 is a prime.

It is a super-2 number, since 2×166351141² = 55345404224003762, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166351147) 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 7 ways as a sum of consecutive naturals, for example, 73755 + ... + 75976.

It is an arithmetic number, because the mean of its divisors is an integer number (22908996).

Almost surely, 2^166351141 is an apocalyptic number.

166351141 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

166351141 is a deficient number, since it is larger than the sum of its proper divisors (16920827).

166351141 is a wasteful number, since it uses less digits than its factorization.

166351141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149843.

The product of its digits is 2160, while the sum is 28.

The square root of 166351141 is about 12897.7184416470. The cubic root of 166351141 is about 549.9737078341.

The spelling of 166351141 in words is "one hundred sixty-six million, three hundred fifty-one thousand, one hundred forty-one".