264501614486721 has 16 divisors (see below), whose sum is σ = 352702412568000. Its totient is φ = 176317613868288.

The previous prime is 264501614486699. The next prime is 264501614486737. The reversal of 264501614486721 is 127684416105462.

It is not a de Polignac number, because 264501614486721 - 2¹⁴ = 264501614470337 is a prime.

It is a super-2 number, since 2×264501614486721² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (264501614486321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1651310725 + ... + 1651470893.

It is an arithmetic number, because the mean of its divisors is an integer number (22043900785500).

Almost surely, 2^{264501614486721} is an apocalyptic number.

It is an amenable number.

264501614486721 is a deficient number, since it is larger than the sum of its proper divisors (88200798081279).

264501614486721 is a wasteful number, since it uses less digits than its factorization.

264501614486721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209168.

The product of its (nonzero) digits is 15482880, while the sum is 57.

The spelling of 264501614486721 in words is "two hundred sixty-four trillion, five hundred one billion, six hundred fourteen million, four hundred eighty-six thousand, seven hundred twenty-one".