264162636551 has 4 divisors (see below), whose sum is σ = 288177421704. Its totient is φ = 240147851400.

The previous prime is 264162636541. The next prime is 264162636581. The reversal of 264162636551 is 155636261462.

264162636551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 264162636551 - 2²⁶ = 264095527687 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 264162636496 and 264162636505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264162636541) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 12007392560 + ... + 12007392581.

It is an arithmetic number, because the mean of its divisors is an integer number (72044355426).

Almost surely, 2^264162636551 is an apocalyptic number.

264162636551 is a deficient number, since it is larger than the sum of its proper divisors (24014785153).

264162636551 is a wasteful number, since it uses less digits than its factorization.

264162636551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24014785152.

The product of its digits is 1555200, while the sum is 47.

The spelling of 264162636551 in words is "two hundred sixty-four billion, one hundred sixty-two million, six hundred thirty-six thousand, five hundred fifty-one".