1616537226245 has 8 divisors (see below), whose sum is σ = 1966417886616. Its totient is φ = 1275514304256.

The previous prime is 1616537226233. The next prime is 1616537226253. The reversal of 1616537226245 is 5426227356161.

It can be written as a sum of positive squares in 4 ways, for example, as 494088091396 + 1122449134849 = 702914^2 + 1059457^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1616537226245 - 2⁶ = 1616537226181 is a prime.

It is a super-2 number, since 2×1616537226245² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1616537226193 and 1616537226202.

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, 2214434192 + ... + 2214434921.

It is an arithmetic number, because the mean of its divisors is an integer number (245802235827).

Almost surely, 2^{1616537226245} is an apocalyptic number.

It is an amenable number.

1616537226245 is a deficient number, since it is larger than the sum of its proper divisors (349880660371).

1616537226245 is an equidigital number, since it uses as much as digits as its factorization.

1616537226245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4428869191.

The product of its digits is 3628800, while the sum is 50.

The spelling of 1616537226245 in words is "one trillion, six hundred sixteen billion, five hundred thirty-seven million, two hundred twenty-six thousand, two hundred forty-five".