256616001102 has 16 divisors (see below), whose sum is σ = 513278302032. Its totient is φ = 85530950400.

The previous prime is 256616001101. The next prime is 256616001107. The reversal of 256616001102 is 201100616652.

It is a self number, because there is not a number n which added to its sum of digits gives 256616001102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256616001101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1856899 + ... + 1990302.

It is an arithmetic number, because the mean of its divisors is an integer number (32079893877).

Almost surely, 2^256616001102 is an apocalyptic number.

256616001102 is an abundant number, since it is smaller than the sum of its proper divisors (256662300930).

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

256616001102 is a wasteful number, since it uses less digits than its factorization.

256616001102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3858323.

The product of its (nonzero) digits is 4320, while the sum is 30.

Adding to 256616001102 its reverse (201100616652), we get a palindrome (457716617754).

The spelling of 256616001102 in words is "two hundred fifty-six billion, six hundred sixteen million, one thousand, one hundred two".