1616218808146 has 8 divisors (see below), whose sum is σ = 2424344324220. Its totient is φ = 808104033408.

The previous prime is 1616218808119. The next prime is 1616218808153. The reversal of 1616218808146 is 6418088126161.

It can be written as a sum of positive squares in 2 ways, for example, as 1071959976025 + 544258832121 = 1035355^2 + 737739^2 .

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

It is a super-2 number, since 2×1616218808146² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1616218808093 and 1616218808102.

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, 2297991 + ... + 2917738.

Almost surely, 2^{1616218808146} is an apocalyptic number.

1616218808146 is a deficient number, since it is larger than the sum of its proper divisors (808125516074).

1616218808146 is a wasteful number, since it uses less digits than its factorization.

1616218808146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5370668.

The product of its (nonzero) digits is 884736, while the sum is 52.

The spelling of 1616218808146 in words is "one trillion, six hundred sixteen billion, two hundred eighteen million, eight hundred eight thousand, one hundred forty-six".