166348977 has 8 divisors (see below), whose sum is σ = 222083616. Its totient is φ = 110756832.

The previous prime is 166348951. The next prime is 166348979. The reversal of 166348977 is 779843661.

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

It is not a de Polignac number, because 166348977 - 2⁶ = 166348913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (166348979) 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, 32868 + ... + 37589.

It is an arithmetic number, because the mean of its divisors is an integer number (27760452).

Almost surely, 2^166348977 is an apocalyptic number.

It is an amenable number.

166348977 is a deficient number, since it is larger than the sum of its proper divisors (55734639).

166348977 is an equidigital number, since it uses as much as digits as its factorization.

166348977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71247.

The product of its digits is 1524096, while the sum is 51.

The square root of 166348977 is about 12897.6345505678. The cubic root of 166348977 is about 549.9713230227.

The spelling of 166348977 in words is "one hundred sixty-six million, three hundred forty-eight thousand, nine hundred seventy-seven".