1616563342354 has 4 divisors (see below), whose sum is σ = 2424845013534. Its totient is φ = 808281671176.

The previous prime is 1616563342337. The next prime is 1616563342393. The reversal of 1616563342354 is 4532433656161.

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., 1608643232329 + 7920110025 = 1268323^2 + 88995^2 .

It is a super-2 number, since 2×1616563342354² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1616563342298 and 1616563342307.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 404140835587 + ... + 404140835590.

Almost surely, 2^{1616563342354} is an apocalyptic number.

1616563342354 is a deficient number, since it is larger than the sum of its proper divisors (808281671180).

1616563342354 is an equidigital number, since it uses as much as digits as its factorization.

1616563342354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808281671179.

The product of its digits is 4665600, while the sum is 49.

The spelling of 1616563342354 in words is "one trillion, six hundred sixteen billion, five hundred sixty-three million, three hundred forty-two thousand, three hundred fifty-four".