166457064 has 96 divisors (see below), whose sum is σ = 448269120. Its totient is φ = 51492864.

The previous prime is 166457059. The next prime is 166457069. The reversal of 166457064 is 460754661.

It is an interprime number because it is at equal distance from previous prime (166457059) and next prime (166457069).

It is not an unprimeable number, because it can be changed into a prime (166457069) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 714292 + ... + 714524.

It is an arithmetic number, because the mean of its divisors is an integer number (4669470).

Almost surely, 2^166457064 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 166457064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224134560).

166457064 is an abundant number, since it is smaller than the sum of its proper divisors (281812056).

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

166457064 is a wasteful number, since it uses less digits than its factorization.

166457064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379 (or 358 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 166457064 is about 12901.8240570859. The cubic root of 166457064 is about 550.0904137863.

The spelling of 166457064 in words is "one hundred sixty-six million, four hundred fifty-seven thousand, sixty-four".