264435116256631 has 8 divisors (see below), whose sum is σ = 271582311024144. Its totient is φ = 257287937264640.

The previous prime is 264435116256611. The next prime is 264435116256691. The reversal of 264435116256631 is 136652611534462.

264435116256631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 264435116256631 - 2⁹ = 264435116256119 is a prime.

It is a super-2 number, since 2×264435116256631² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264435116256601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35219376 + ... + 42062746.

It is an arithmetic number, because the mean of its divisors is an integer number (33947788878018).

Almost surely, 2^{264435116256631} is an apocalyptic number.

264435116256631 is a deficient number, since it is larger than the sum of its proper divisors (7147194767513).

264435116256631 is a wasteful number, since it uses less digits than its factorization.

264435116256631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7887761.

The product of its digits is 18662400, while the sum is 55.

The spelling of 264435116256631 in words is "two hundred sixty-four trillion, four hundred thirty-five billion, one hundred sixteen million, two hundred fifty-six thousand, six hundred thirty-one".