166718496 has 192 divisors, whose sum is σ = 529514496. Its totient is φ = 44928000.

The previous prime is 166718491. The next prime is 166718501. The reversal of 166718496 is 694817661.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (166718491) and next prime (166718501).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (166718491) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1104021 + ... + 1104171.

It is an arithmetic number, because the mean of its divisors is an integer number (2757888).

Almost surely, 2^166718496 is an apocalyptic number.

166718496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166718496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (264757248).

166718496 is an abundant number, since it is smaller than the sum of its proper divisors (362796000).

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

166718496 is a wasteful number, since it uses less digits than its factorization.

166718496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255 (or 247 counting only the distinct ones).

The product of its digits is 435456, while the sum is 48.

The square root of 166718496 is about 12911.9516727720. The cubic root of 166718496 is about 550.3782477995.

The spelling of 166718496 in words is "one hundred sixty-six million, seven hundred eighteen thousand, four hundred ninety-six".