1616770858 has 8 divisors (see below), whose sum is σ = 2458377828. Its totient is φ = 797311584.

The previous prime is 1616770853. The next prime is 1616770867. The reversal of 1616770858 is 8580776161.

It can be written as a sum of positive squares in 2 ways, for example, as 1473561769 + 143209089 = 38387^2 + 11967^2 .

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

It is a super-2 number, since 2×1616770858² = 5227896014556112328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1616770853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5536741 + ... + 5537032.

Almost surely, 2^1616770858 is an apocalyptic number.

1616770858 is a deficient number, since it is larger than the sum of its proper divisors (841606970).

1616770858 is a wasteful number, since it uses less digits than its factorization.

1616770858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11073848.

The product of its (nonzero) digits is 564480, while the sum is 49.

The square root of 1616770858 is about 40209.0892460896. The cubic root of 1616770858 is about 1173.6794236858.

It can be divided in two parts, 16167 and 70858, that added together give a square (87025 = 295²).

The spelling of 1616770858 in words is "one billion, six hundred sixteen million, seven hundred seventy thousand, eight hundred fifty-eight".