1054638966 has 16 divisors (see below), whose sum is σ = 2220292800. Its totient is φ = 333043848.

The previous prime is 1054638953. The next prime is 1054638989. The reversal of 1054638966 is 6698364501.

It is a super-2 number, since 2×1054638966² = 2224526697211098312, which 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, 4625496 + ... + 4625723.

It is an arithmetic number, because the mean of its divisors is an integer number (138768300).

Almost surely, 2^1054638966 is an apocalyptic number.

1054638966 is an abundant number, since it is smaller than the sum of its proper divisors (1165653834).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1054638966 is a wasteful number, since it uses less digits than its factorization.

1054638966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9251243.

The product of its (nonzero) digits is 933120, while the sum is 48.

The square root of 1054638966 is about 32475.2054035075. The cubic root of 1054638966 is about 1017.8909921709.

The spelling of 1054638966 in words is "one billion, fifty-four million, six hundred thirty-eight thousand, nine hundred sixty-six".