10526321642638 has 8 divisors (see below), whose sum is σ = 15789952084680. Its totient is φ = 5263004281080.

The previous prime is 10526321642611. The next prime is 10526321642653. The reversal of 10526321642638 is 83624612362501.

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

It is a super-2 number, since 2×10526321642638² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10526321642591 and 10526321642600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78186048 + ... + 78320563.

It is an arithmetic number, because the mean of its divisors is an integer number (1973744010585).

Almost surely, 2^{10526321642638} is an apocalyptic number.

10526321642638 is a deficient number, since it is larger than the sum of its proper divisors (5263630442042).

10526321642638 is a wasteful number, since it uses less digits than its factorization.

10526321642638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156540242.

The product of its (nonzero) digits is 2488320, while the sum is 49.

The spelling of 10526321642638 in words is "ten trillion, five hundred twenty-six billion, three hundred twenty-one million, six hundred forty-two thousand, six hundred thirty-eight".