10557197798 has 16 divisors (see below), whose sum is σ = 18273765120. Its totient is φ = 4480585416.

The previous prime is 10557197759. The next prime is 10557197801. The reversal of 10557197798 is 89779175501.

It is a super-2 number, since 2×10557197798² (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, 3659168 + ... + 3662051.

It is an arithmetic number, because the mean of its divisors is an integer number (1142110320).

Almost surely, 2^10557197798 is an apocalyptic number.

10557197798 is a deficient number, since it is larger than the sum of its proper divisors (7716567322).

10557197798 is a wasteful number, since it uses less digits than its factorization.

10557197798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7321331.

The product of its (nonzero) digits is 5556600, while the sum is 59.

The spelling of 10557197798 in words is "ten billion, five hundred fifty-seven million, one hundred ninety-seven thousand, seven hundred ninety-eight".