65526152638 has 4 divisors (see below), whose sum is σ = 98289228960. Its totient is φ = 32763076318.

The previous prime is 65526152623. The next prime is 65526152647. The reversal of 65526152638 is 83625162556.

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

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 65526152591 and 65526152600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16381538158 + ... + 16381538161.

It is an arithmetic number, because the mean of its divisors is an integer number (24572307240).

Almost surely, 2^65526152638 is an apocalyptic number.

65526152638 is a deficient number, since it is larger than the sum of its proper divisors (32763076322).

65526152638 is a wasteful number, since it uses less digits than its factorization.

65526152638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32763076321.

The product of its digits is 2592000, while the sum is 49.

The spelling of 65526152638 in words is "sixty-five billion, five hundred twenty-six million, one hundred fifty-two thousand, six hundred thirty-eight".