1055574066638 has 32 divisors (see below), whose sum is σ = 1948865318400. Its totient is φ = 417565484640.

The previous prime is 1055574066611. The next prime is 1055574066661. The reversal of 1055574066638 is 8366604755501.

It is a super-2 number, since 2×1055574066638² (a number of 25 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 15 ways as a sum of consecutive naturals, for example, 3152873 + ... + 3471563.

It is an arithmetic number, because the mean of its divisors is an integer number (60902041200).

Almost surely, 2^{1055574066638} is an apocalyptic number.

1055574066638 is a deficient number, since it is larger than the sum of its proper divisors (893291251762).

1055574066638 is a wasteful number, since it uses less digits than its factorization.

1055574066638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336912.

The product of its (nonzero) digits is 18144000, while the sum is 56.

The spelling of 1055574066638 in words is "one trillion, fifty-five billion, five hundred seventy-four million, sixty-six thousand, six hundred thirty-eight".