1606412615 has 8 divisors (see below), whose sum is σ = 1930489008. Its totient is φ = 1283267520.

The previous prime is 1606412597. The next prime is 1606412629. The reversal of 1606412615 is 5162146061.

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

It is not a de Polignac number, because 1606412615 - 2¹² = 1606408519 is a prime.

It is a super-2 number, since 2×1606412615² = 5161122979262276450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229022 + ... + 235931.

It is an arithmetic number, because the mean of its divisors is an integer number (241311126).

Almost surely, 2^1606412615 is an apocalyptic number.

1606412615 is a deficient number, since it is larger than the sum of its proper divisors (324076393).

1606412615 is an equidigital number, since it uses as much as digits as its factorization.

1606412615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465649.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 1606412615 is about 40080.0775323601. The cubic root of 1606412615 is about 1171.1675624149.

Adding to 1606412615 its reverse (5162146061), we get a palindrome (6768558676).

The spelling of 1606412615 in words is "one billion, six hundred six million, four hundred twelve thousand, six hundred fifteen".