1054165521 has 8 divisors (see below), whose sum is σ = 1406018560. Its totient is φ = 702544752.

The previous prime is 1054165517. The next prime is 1054165523. The reversal of 1054165521 is 1255614501.

1054165521 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 not a de Polignac number, because 1054165521 - 2² = 1054165517 is a prime.

It is a super-2 number, since 2×1054165521² = 2222529891330402882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1054165523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47185 + ... + 65838.

It is an arithmetic number, because the mean of its divisors is an integer number (175752320).

Almost surely, 2^1054165521 is an apocalyptic number.

It is an amenable number.

1054165521 is a deficient number, since it is larger than the sum of its proper divisors (351853039).

1054165521 is a wasteful number, since it uses less digits than its factorization.

1054165521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116135.

The product of its (nonzero) digits is 6000, while the sum is 30.

The square root of 1054165521 is about 32467.9152549097. The cubic root of 1054165521 is about 1017.7386532987.

The spelling of 1054165521 in words is "one billion, fifty-four million, one hundred sixty-five thousand, five hundred twenty-one".