166154064 has 80 divisors (see below), whose sum is σ = 445209600. Its totient is φ = 53359488.

The previous prime is 166154029. The next prime is 166154101. The reversal of 166154064 is 460451661.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162547 + ... + 163565.

It is an arithmetic number, because the mean of its divisors is an integer number (5565120).

Almost surely, 2^166154064 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 166154064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (222604800).

166154064 is an abundant number, since it is smaller than the sum of its proper divisors (279055536).

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

166154064 is a wasteful number, since it uses less digits than its factorization.

166154064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152 (or 1146 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 166154064 is about 12890.0761828625. The cubic root of 166154064 is about 549.7564365082.

The spelling of 166154064 in words is "one hundred sixty-six million, one hundred fifty-four thousand, sixty-four".