10557521366 has 8 divisors (see below), whose sum is σ = 18098608080. Its totient is φ = 4524652008.

The previous prime is 10557521357. The next prime is 10557521383. The reversal of 10557521366 is 66312575501.

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

It is a super-2 number, since 2×10557521366² (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 3 ways as a sum of consecutive naturals, for example, 377054321 + ... + 377054348.

It is an arithmetic number, because the mean of its divisors is an integer number (2262326010).

Almost surely, 2^10557521366 is an apocalyptic number.

10557521366 is a deficient number, since it is larger than the sum of its proper divisors (7541086714).

10557521366 is an equidigital number, since it uses as much as digits as its factorization.

10557521366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754108678.

The product of its (nonzero) digits is 189000, while the sum is 41.

The spelling of 10557521366 in words is "ten billion, five hundred fifty-seven million, five hundred twenty-one thousand, three hundred sixty-six".