256166262302 has 8 divisors (see below), whose sum is σ = 404473045800. Its totient is φ = 121341913704.

The previous prime is 256166262251. The next prime is 256166262307. The reversal of 256166262302 is 203262661652.

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

It is a self number, because there is not a number n which added to its sum of digits gives 256166262302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256166262307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3370608677 + ... + 3370608752.

It is an arithmetic number, because the mean of its divisors is an integer number (50559130725).

Almost surely, 2^256166262302 is an apocalyptic number.

256166262302 is a deficient number, since it is larger than the sum of its proper divisors (148306783498).

256166262302 is a wasteful number, since it uses less digits than its factorization.

256166262302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6741217450.

The product of its (nonzero) digits is 311040, while the sum is 41.

The spelling of 256166262302 in words is "two hundred fifty-six billion, one hundred sixty-six million, two hundred sixty-two thousand, three hundred two".