166073190 has 16 divisors (see below), whose sum is σ = 398575728. Its totient is φ = 44286176.

The previous prime is 166073147. The next prime is 166073197. The reversal of 166073190 is 91370661.

166073190 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×166073190² = 55160608873552200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166073197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2767857 + ... + 2767916.

It is an arithmetic number, because the mean of its divisors is an integer number (24910983).

Almost surely, 2^166073190 is an apocalyptic number.

166073190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166073190 is an abundant number, since it is smaller than the sum of its proper divisors (232502538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166073190 is a wasteful number, since it uses less digits than its factorization.

166073190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5535783.

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 166073190 is about 12886.9387365658. The cubic root of 166073190 is about 549.6672256947.

The spelling of 166073190 in words is "one hundred sixty-six million, seventy-three thousand, one hundred ninety".