1054538075666 has 8 divisors (see below), whose sum is σ = 1583295176064. Its totient is φ = 526773016980.

The previous prime is 1054538075623. The next prime is 1054538075671. The reversal of 1054538075666 is 6665708354501.

1054538075666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×1054538075666² (a number of 25 digits) contains 22 as substring.

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, 248007770 + ... + 248012021.

It is an arithmetic number, because the mean of its divisors is an integer number (197911897008).

Almost surely, 2^{1054538075666} is an apocalyptic number.

1054538075666 is a deficient number, since it is larger than the sum of its proper divisors (528757100398).

1054538075666 is a wasteful number, since it uses less digits than its factorization.

1054538075666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496020856.

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

The spelling of 1054538075666 in words is "one trillion, fifty-four billion, five hundred thirty-eight million, seventy-five thousand, six hundred sixty-six".