166653952 has 104 divisors (see below), whose sum is σ = 365646240. Its totient is φ = 75694080.

The previous prime is 166653947. The next prime is 166653953. The reversal of 166653952 is 259356661.

It is a junction number, because it is equal to n+sod(n) for n = 166653899 and 166653908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166653953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2732002 + ... + 2732062.

Almost surely, 2^166653952 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 166653952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182823120).

166653952 is an abundant number, since it is smaller than the sum of its proper divisors (198992288).

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

166653952 is an equidigital number, since it uses as much as digits as its factorization.

166653952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137 (or 115 counting only the distinct ones).

The product of its digits is 291600, while the sum is 43.

The square root of 166653952 is about 12909.4520410434. The cubic root of 166653952 is about 550.3072134918.

The spelling of 166653952 in words is "one hundred sixty-six million, six hundred fifty-three thousand, nine hundred fifty-two".