866152737271202 has 16 divisors (see below), whose sum is σ = 1305355516669152. Its totient is φ = 431035799579040.

The previous prime is 866152737271163. The next prime is 866152737271307. The reversal of 866152737271202 is 202172737251668.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 390859868 + ... + 393069639.

It is an arithmetic number, because the mean of its divisors is an integer number (81584719791822).

Almost surely, 2^{866152737271202} is an apocalyptic number.

866152737271202 is a deficient number, since it is larger than the sum of its proper divisors (439202779397950).

866152737271202 is a wasteful number, since it uses less digits than its factorization.

866152737271202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783932113.

The product of its (nonzero) digits is 23708160, while the sum is 59.

The spelling of 866152737271202 in words is "eight hundred sixty-six trillion, one hundred fifty-two billion, seven hundred thirty-seven million, two hundred seventy-one thousand, two hundred two".