1016333661550 has 24 divisors (see below), whose sum is σ = 1891155266352. Its totient is φ = 406366872000.

The previous prime is 1016333661547. The next prime is 1016333661557. The reversal of 1016333661550 is 551663336101.

It is a happy number.

It is a super-2 number, since 2×1016333661550² (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 (1016333661557) 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, 4041546 + ... + 4285645.

It is an arithmetic number, because the mean of its divisors is an integer number (78798136098).

Almost surely, 2^{1016333661550} is an apocalyptic number.

1016333661550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1016333661550 is a deficient number, since it is larger than the sum of its proper divisors (874821604802).

1016333661550 is a wasteful number, since it uses less digits than its factorization.

1016333661550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8329644 (or 8329639 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 40.

Adding to 1016333661550 its reverse (551663336101), we get a palindrome (1567996997651).

The spelling of 1016333661550 in words is "one trillion, sixteen billion, three hundred thirty-three million, six hundred sixty-one thousand, five hundred fifty".