166910016 has 224 divisors, whose sum is σ = 559173888. Its totient is φ = 42762240.

The previous prime is 166909999. The next prime is 166910033. The reversal of 166910016 is 610019661.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (166909999) and next prime (166910033).

It is a tau number, because it is divible by the number of its divisors (224).

It is a super-2 number, since 2×166910016² = 55717906882240512, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 716236 + ... + 716468.

It is an arithmetic number, because the mean of its divisors is an integer number (2496312).

Almost surely, 2^166910016 is an apocalyptic number.

166910016 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 166910016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279586944).

166910016 is an abundant number, since it is smaller than the sum of its proper divisors (392263872).

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

166910016 is a wasteful number, since it uses less digits than its factorization.

166910016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309 (or 299 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 166910016 is about 12919.3659287134. The cubic root of 166910016 is about 550.5889184953.

Adding to 166910016 its reverse (610019661), we get a palindrome (776929677).

The spelling of 166910016 in words is "one hundred sixty-six million, nine hundred ten thousand, sixteen".