10525406566 has 16 divisors (see below), whose sum is σ = 16423786800. Its totient is φ = 5052839008.

The previous prime is 10525406543. The next prime is 10525406597. The reversal of 10525406566 is 66560452501.

It is a super-2 number, since 2×10525406566² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 496525 + ... + 517288.

It is an arithmetic number, because the mean of its divisors is an integer number (1026486675).

Almost surely, 2^10525406566 is an apocalyptic number.

10525406566 is a deficient number, since it is larger than the sum of its proper divisors (5898380234).

10525406566 is a wasteful number, since it uses less digits than its factorization.

10525406566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014023.

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 10525406566 in words is "ten billion, five hundred twenty-five million, four hundred six thousand, five hundred sixty-six".