1616101605550 has 24 divisors (see below), whose sum is σ = 3035132966736. Its totient is φ = 640164517440.

The previous prime is 1616101605539. The next prime is 1616101605557. The reversal of 1616101605550 is 555061016161.

It is a super-2 number, since 2×1616101605550² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1616101605557) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 156897919 + ... + 156908218.

It is an arithmetic number, because the mean of its divisors is an integer number (126463873614).

Almost surely, 2^{1616101605550} is an apocalyptic number.

1616101605550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1616101605550 is a deficient number, since it is larger than the sum of its proper divisors (1419031361186).

1616101605550 is a wasteful number, since it uses less digits than its factorization.

1616101605550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313806252 (or 313806247 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 37.

The spelling of 1616101605550 in words is "one trillion, six hundred sixteen billion, one hundred one million, six hundred five thousand, five hundred fifty".