166273104 has 80 divisors (see below), whose sum is σ = 454326080. Its totient is φ = 52254720.

The previous prime is 166273103. The next prime is 166273109. The reversal of 166273104 is 401372661.

It is a super-2 number, since 2×166273104² = 55293490227589632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166273103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 307074 + ... + 307614.

It is an arithmetic number, because the mean of its divisors is an integer number (5679076).

Almost surely, 2^166273104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166273104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227163040).

166273104 is an abundant number, since it is smaller than the sum of its proper divisors (288052976).

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

166273104 is a wasteful number, since it uses less digits than its factorization.

166273104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908 (or 902 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 166273104 is about 12894.6928617940. The cubic root of 166273104 is about 549.8876949762.

The spelling of 166273104 in words is "one hundred sixty-six million, two hundred seventy-three thousand, one hundred four".