1616537226252 has 24 divisors (see below), whose sum is σ = 4062067902256. Its totient is φ = 497396069568.

The previous prime is 1616537226233. The next prime is 1616537226253. The reversal of 1616537226252 is 2526227356161.

It is a super-2 number, since 2×1616537226252² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1616537226253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5181208903 + ... + 5181209214.

Almost surely, 2^{1616537226252} is an apocalyptic number.

1616537226252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1616537226252 is an abundant number, since it is smaller than the sum of its proper divisors (2445530676004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1616537226252 is a wasteful number, since it uses less digits than its factorization.

1616537226252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10362418137 (or 10362418135 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 48.

The spelling of 1616537226252 in words is "one trillion, six hundred sixteen billion, five hundred thirty-seven million, two hundred twenty-six thousand, two hundred fifty-two".