166912410 has 64 divisors (see below), whose sum is σ = 464689152. Its totient is φ = 37578816.

The previous prime is 166912399. The next prime is 166912411. The reversal of 166912410 is 14219661.

It is a happy number.

It is a super-2 number, since 2×166912410² = 55719505224016200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (166912411) 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, 8139 + ... + 20001.

It is an arithmetic number, because the mean of its divisors is an integer number (7260768).

Almost surely, 2^166912410 is an apocalyptic number.

166912410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 166912410, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232344576).

166912410 is an abundant number, since it is smaller than the sum of its proper divisors (297776742).

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

166912410 is a wasteful number, since it uses less digits than its factorization.

166912410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11947.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 166912410 is about 12919.4585799870. The cubic root of 166912410 is about 550.5915508590.

The spelling of 166912410 in words is "one hundred sixty-six million, nine hundred twelve thousand, four hundred ten".