1041165657 has 20 divisors (see below), whose sum is σ = 1777511296. Its totient is φ = 594951480.

The previous prime is 1041165649. The next prime is 1041165673. The reversal of 1041165657 is 7565611401.

It is a happy number.

It is not a de Polignac number, because 1041165657 - 2³ = 1041165649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1041165647) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 917569 + ... + 918702.

Almost surely, 2^1041165657 is an apocalyptic number.

It is an amenable number.

1041165657 is a deficient number, since it is larger than the sum of its proper divisors (736345639).

1041165657 is an equidigital number, since it uses as much as digits as its factorization.

1041165657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1836290 (or 1836281 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 1041165657 is about 32267.0986765157. The cubic root of 1041165657 is about 1013.5377869599.

The spelling of 1041165657 in words is "one billion, forty-one million, one hundred sixty-five thousand, six hundred fifty-seven".