266180411952 has 320 divisors, whose sum is σ = 948994816000. Its totient is φ = 69556257792.

The previous prime is 266180411941. The next prime is 266180411953. The reversal of 266180411952 is 259114081662.

266180411952 is a `hidden beast` number, since 2 + 6 + 6 + 180 + 411 + 9 + 52 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 266180411898 and 266180411907.

It is not an unprimeable number, because it can be changed into a prime (266180411953) 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, 4253949 + ... + 4316067.

It is an arithmetic number, because the mean of its divisors is an integer number (2965608800).

Almost surely, 2^266180411952 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 266180411952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (474497408000).

266180411952 is an abundant number, since it is smaller than the sum of its proper divisors (682814404048).

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

266180411952 is a wasteful number, since it uses less digits than its factorization.

266180411952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62265 (or 62253 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The spelling of 266180411952 in words is "two hundred sixty-six billion, one hundred eighty million, four hundred eleven thousand, nine hundred fifty-two".