264721700126 has 16 divisors (see below), whose sum is σ = 427636868064. Its totient is φ = 122176530144.

The previous prime is 264721700081. The next prime is 264721700161. The reversal of 264721700126 is 621007127462.

264721700126 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 264721700126.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1527896 + ... + 1692308.

It is an arithmetic number, because the mean of its divisors is an integer number (26727304254).

Almost surely, 2^264721700126 is an apocalyptic number.

264721700126 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

264721700126 is a deficient number, since it is larger than the sum of its proper divisors (162915167938).

264721700126 is a wasteful number, since it uses less digits than its factorization.

264721700126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226355.

The product of its (nonzero) digits is 56448, while the sum is 38.

Adding to 264721700126 its reverse (621007127462), we get a palindrome (885728827588).

The spelling of 264721700126 in words is "two hundred sixty-four billion, seven hundred twenty-one million, seven hundred thousand, one hundred twenty-six".