52180464121666 has 8 divisors (see below), whose sum is σ = 78270726850704. Its totient is φ = 26090221838100.

The previous prime is 52180464121603. The next prime is 52180464121673. The reversal of 52180464121666 is 66612146408125.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7193761 + ... + 12494443.

It is an arithmetic number, because the mean of its divisors is an integer number (9783840856338).

Almost surely, 2^{52180464121666} is an apocalyptic number.

52180464121666 is a deficient number, since it is larger than the sum of its proper divisors (26090262729038).

52180464121666 is a wasteful number, since it uses less digits than its factorization.

52180464121666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10222736.

The product of its (nonzero) digits is 3317760, while the sum is 52.

The spelling of 52180464121666 in words is "fifty-two trillion, one hundred eighty billion, four hundred sixty-four million, one hundred twenty-one thousand, six hundred sixty-six".