166275270336 has 448 divisors, whose sum is σ = 533014732800. Its totient is φ = 45693527040.

The previous prime is 166275270331. The next prime is 166275270341. The reversal of 166275270336 is 633072572661.

It is an interprime number because it is at equal distance from previous prime (166275270331) and next prime (166275270341).

It is a tau number, because it is divible by the number of its divisors (448).

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 (166275270331) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 201057955 + ... + 201058781.

Almost surely, 2^166275270336 is an apocalyptic number.

166275270336 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 166275270336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266507366400).

166275270336 is an abundant number, since it is smaller than the sum of its proper divisors (366739462464).

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

166275270336 is an equidigital number, since it uses as much as digits as its factorization.

166275270336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 977 (or 953 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 48.

The spelling of 166275270336 in words is "one hundred sixty-six billion, two hundred seventy-five million, two hundred seventy thousand, three hundred thirty-six".