866132652 has 48 divisors (see below), whose sum is σ = 2519661312. Its totient is φ = 224969280.

The previous prime is 866132633. The next prime is 866132681. The reversal of 866132652 is 256231668.

It is a self number, because there is not a number n which added to its sum of digits gives 866132652.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 467763 + ... + 469610.

It is an arithmetic number, because the mean of its divisors is an integer number (52492944).

Almost surely, 2^866132652 is an apocalyptic number.

It is an amenable number.

866132652 is an abundant number, since it is smaller than the sum of its proper divisors (1653528660).

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

866132652 is a wasteful number, since it uses less digits than its factorization.

866132652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 937398 (or 937396 counting only the distinct ones).

The product of its digits is 103680, while the sum is 39.

The square root of 866132652 is about 29430.1317020499. The cubic root of 866132652 is about 953.2236386845.

The spelling of 866132652 in words is "eight hundred sixty-six million, one hundred thirty-two thousand, six hundred fifty-two".