866740141152 has 72 divisors (see below), whose sum is σ = 2544301730880. Its totient is φ = 279593591040.

The previous prime is 866740141151. The next prime is 866740141199. The reversal of 866740141152 is 251141047668.

It is a tau number, because it is divible by the number of its divisors (72).

It is a junction number, because it is equal to n+sod(n) for n = 866740141098 and 866740141107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (866740141151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48531627 + ... + 48549482.

It is an arithmetic number, because the mean of its divisors is an integer number (35337524040).

Almost surely, 2^866740141152 is an apocalyptic number.

It is an amenable number.

866740141152 is an abundant number, since it is smaller than the sum of its proper divisors (1677561589728).

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

866740141152 is a wasteful number, since it uses less digits than its factorization.

866740141152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97081156 (or 97081145 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The spelling of 866740141152 in words is "eight hundred sixty-six billion, seven hundred forty million, one hundred forty-one thousand, one hundred fifty-two".