166371142 has 8 divisors (see below), whose sum is σ = 285207696. Its totient is φ = 71301912.

The previous prime is 166371133. The next prime is 166371151. The reversal of 166371142 is 241173661.

166371142 is nontrivially palindromic in base 13.

It is an interprime number because it is at equal distance from previous prime (166371133) and next prime (166371151).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5941813 + ... + 5941840.

It is an arithmetic number, because the mean of its divisors is an integer number (35650962).

Almost surely, 2^166371142 is an apocalyptic number.

166371142 is a deficient number, since it is larger than the sum of its proper divisors (118836554).

166371142 is a wasteful number, since it uses less digits than its factorization.

166371142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11883662.

The product of its digits is 6048, while the sum is 31.

The square root of 166371142 is about 12898.4937880359. The cubic root of 166371142 is about 549.9957487275.

The spelling of 166371142 in words is "one hundred sixty-six million, three hundred seventy-one thousand, one hundred forty-two".