1616616553514 has 4 divisors (see below), whose sum is σ = 2424924830274. Its totient is φ = 808308276756.

The previous prime is 1616616553499. The next prime is 1616616553549. The reversal of 1616616553514 is 4153556166161.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1317043140625 + 299573412889 = 1147625^2 + 547333^2 .

It is a super-2 number, since 2×1616616553514² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 404154138377 + ... + 404154138380.

Almost surely, 2^{1616616553514} is an apocalyptic number.

1616616553514 is a deficient number, since it is larger than the sum of its proper divisors (808308276760).

1616616553514 is an equidigital number, since it uses as much as digits as its factorization.

1616616553514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808308276759.

The product of its digits is 1944000, while the sum is 50.

The spelling of 1616616553514 in words is "one trillion, six hundred sixteen billion, six hundred sixteen million, five hundred fifty-three thousand, five hundred fourteen".