1616167680550 has 24 divisors (see below), whose sum is σ = 3014262851616. Its totient is φ = 644705574240.

The previous prime is 1616167680499. The next prime is 1616167680599. The reversal of 1616167680550 is 550867616161.

It is a happy number.

It is a super-2 number, since 2×1616167680550² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44018917 + ... + 44055616.

It is an arithmetic number, because the mean of its divisors is an integer number (125594285484).

Almost surely, 2^{1616167680550} is an apocalyptic number.

1616167680550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1616167680550 is a deficient number, since it is larger than the sum of its proper divisors (1398095171066).

1616167680550 is a wasteful number, since it uses less digits than its factorization.

1616167680550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88074912 (or 88074907 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 52.

The spelling of 1616167680550 in words is "one trillion, six hundred sixteen billion, one hundred sixty-seven million, six hundred eighty thousand, five hundred fifty".