166453642 has 16 divisors (see below), whose sum is σ = 264571200. Its totient is φ = 78321600.

The previous prime is 166453631. The next prime is 166453657. The reversal of 166453642 is 246354661.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8767 + ... + 20242.

It is an arithmetic number, because the mean of its divisors is an integer number (16535700).

Almost surely, 2^166453642 is an apocalyptic number.

166453642 is a deficient number, since it is larger than the sum of its proper divisors (98117558).

166453642 is a wasteful number, since it uses less digits than its factorization.

166453642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29181.

The product of its digits is 103680, while the sum is 37.

The square root of 166453642 is about 12901.6914394974. The cubic root of 166453642 is about 550.0866442010.

The spelling of 166453642 in words is "one hundred sixty-six million, four hundred fifty-three thousand, six hundred forty-two".