166120451662 has 8 divisors (see below), whose sum is σ = 271833466392. Its totient is φ = 75509296200.

The previous prime is 166120451611. The next prime is 166120451677. The reversal of 166120451662 is 266154021661.

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, 3775464789 + ... + 3775464832.

It is an arithmetic number, because the mean of its divisors is an integer number (33979183299).

Almost surely, 2^166120451662 is an apocalyptic number.

166120451662 is a deficient number, since it is larger than the sum of its proper divisors (105713014730).

166120451662 is a wasteful number, since it uses less digits than its factorization.

166120451662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7550929634.

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 166120451662 in words is "one hundred sixty-six billion, one hundred twenty million, four hundred fifty-one thousand, six hundred sixty-two".