1057685159 has 8 divisors (see below), whose sum is σ = 1083913488. Its totient is φ = 1031477440.

The previous prime is 1057685149. The next prime is 1057685177. The reversal of 1057685159 is 9515867501.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1057685159 is a prime.

It is a super-2 number, since 2×1057685159² = 2237395791137710562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057685149) 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, 177344 + ... + 183210.

It is an arithmetic number, because the mean of its divisors is an integer number (135489186).

Almost surely, 2^1057685159 is an apocalyptic number.

1057685159 is a deficient number, since it is larger than the sum of its proper divisors (26228329).

1057685159 is an equidigital number, since it uses as much as digits as its factorization.

1057685159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10305.

The product of its (nonzero) digits is 378000, while the sum is 47.

The square root of 1057685159 is about 32522.0718743440. The cubic root of 1057685159 is about 1018.8700671514.

The spelling of 1057685159 in words is "one billion, fifty-seven million, six hundred eighty-five thousand, one hundred fifty-nine".