166355102461952 has 104 divisors (see below), whose sum is σ = 347886578017440. Its totient is φ = 79388531425280.

The previous prime is 166355102461949. The next prime is 166355102461957. The reversal of 166355102461952 is 259164201553661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166355102461957) 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, 41514674 + ... + 45345102.

Almost surely, 2^{166355102461952} 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 166355102461952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173943289008720).

166355102461952 is an abundant number, since it is smaller than the sum of its proper divisors (181531475555488).

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

166355102461952 is an equidigital number, since it uses as much as digits as its factorization.

166355102461952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3830937 (or 3830915 counting only the distinct ones).

The product of its (nonzero) digits is 11664000, while the sum is 56.

The spelling of 166355102461952 in words is "one hundred sixty-six trillion, three hundred fifty-five billion, one hundred two million, four hundred sixty-one thousand, nine hundred fifty-two".