1616256663236 has 6 divisors (see below), whose sum is σ = 2828449160670. Its totient is φ = 808128331616.

The previous prime is 1616256663209. The next prime is 1616256663257. The reversal of 1616256663236 is 6323666526161.

It can be written as a sum of positive squares in only one way, i.e., 1544750694400 + 71505968836 = 1242880^2 + 267406^2 .

It is a super-2 number, since 2×1616256663236² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202032082901 + ... + 202032082908.

It is an arithmetic number, because the mean of its divisors is an integer number (471408193445).

Almost surely, 2^{1616256663236} is an apocalyptic number.

It is an amenable number.

1616256663236 is a deficient number, since it is larger than the sum of its proper divisors (1212192497434).

1616256663236 is a wasteful number, since it uses less digits than its factorization.

1616256663236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404064165813 (or 404064165811 counting only the distinct ones).

The product of its digits is 8398080, while the sum is 53.

The spelling of 1616256663236 in words is "one trillion, six hundred sixteen billion, two hundred fifty-six million, six hundred sixty-three thousand, two hundred thirty-six".