1616537226198 has 32 divisors (see below), whose sum is σ = 3551203065600. Its totient is φ = 488290419936.

The previous prime is 1616537226181. The next prime is 1616537226223. The reversal of 1616537226198 is 8916227356161.

It is a super-2 number, since 2×1616537226198² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 308261533 + ... + 308266776.

It is an arithmetic number, because the mean of its divisors is an integer number (110975095800).

Almost surely, 2^{1616537226198} is an apocalyptic number.

1616537226198 is an abundant number, since it is smaller than the sum of its proper divisors (1934665839402).

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

1616537226198 is a wasteful number, since it uses less digits than its factorization.

1616537226198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616528356.

The product of its digits is 6531840, while the sum is 57.

The spelling of 1616537226198 in words is "one trillion, six hundred sixteen billion, five hundred thirty-seven million, two hundred twenty-six thousand, one hundred ninety-eight".