1141658618 has 8 divisors (see below), whose sum is σ = 1713903348. Its totient is φ = 570357504.

The previous prime is 1141658543. The next prime is 1141658633. The reversal of 1141658618 is 8168561411.

It can be written as a sum of positive squares in 2 ways, for example, as 1078662649 + 62995969 = 32843^2 + 7937^2 .

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

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, 232871 + ... + 237722.

Almost surely, 2^1141658618 is an apocalyptic number.

1141658618 is a deficient number, since it is larger than the sum of its proper divisors (572244730).

1141658618 is a wasteful number, since it uses less digits than its factorization.

1141658618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471808.

The product of its digits is 46080, while the sum is 41.

The square root of 1141658618 is about 33788.4391175443. The cubic root of 1141658618 is about 1045.1503085761.

The spelling of 1141658618 in words is "one billion, one hundred forty-one million, six hundred fifty-eight thousand, six hundred eighteen".